Realtek Semiconductor RTL8723AS 802.11b/g/n RTL8723AS combo module User Manual Host System Manual 2

Realtek Semiconductor Corp. 802.11b/g/n RTL8723AS combo module Host System Manual 2

Host System Manual -2

1Lenovo limited warrantyL505-0010-02 08/2011This Lenovo Limited Warranty consists of the following parts:Part 1 - General TermsPart 2 - Country-specific Terms Part 3 - Warranty Service Information The terms of Part 2 replace or modify terms of Part 1 as specified for a particular country.Part 1 - General Terms  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -This Lenovo Limited Warranty applies only to Lenovo hardware products you purchased for your own use and not for resale.This Lenovo Limited Warranty is available in other languages at www.lenovo.com/warranty.What this Warranty CoversLenovo warrants that each Lenovo hardware product that you purchase is free from defects in materials and workmanship under normal use during the warranty period. The warranty period for the product starts on the original date of purchase as shown on your sales receipt or invoice or as may be otherwise specified by Lenovo. The warranty period and type of warranty service that apply to your product are as specified in "Part 3 - Warranty Service Information" below. This warranty only applies to products in the country or region of purchase.THIS WARRANTY IS YOUR EXCLUSIVE WARRANTY AND REPLACES ALL OTHER WARRANTIES OR CONDITIONS, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OR CONDITIONS OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. AS SOME STATES OR JURISDICTIONS DO NOT ALLOW THE EXCLUSION OF EXPRESS OR IMPLIED WARRANTIES, THE ABOVE EXCLUSION MAY NOT APPLY TO YOU. IN THAT EVENT, SUCH WARRANTIES APPLY ONLY TO THE EXTENT AND FOR SUCH DURATION AS REQUIRED BY LAW AND ARE LIMITED IN DURATION TO THE WARRANTY PERIOD. AS SOME STATES OR JURISDICTIONS DO NOT ALLOW LIMITATIONS ON THE DURATION OF AN IMPLIED WARRANTY, THE ABOVE LIMITATION ON DURATION MAY NOT APPLY TO YOU.How to Obtain Warranty ServiceIf the product does not function as warranted during the warranty period, you may obtain warranty service by contacting Lenovo or a Lenovo approved Service Provider. A list of approved Service Providers and their telephone numbers is available at: www.lenovo.com/support/phone.Warranty service may not be available in all locations and may differ from location to location. Charges may apply outside a Service Provider's normal service area. Contact a local Service Provider for information specific to your location. Customer Responsibilities for Warranty Service Before warranty service is provided, you must take the following steps: • follow the service request procedures specified by the Service ProviderP/N: XXXXXXXXXRev. AA00
2Lenovo limited warranty• backup or secure all programs and data contained in the product • provide the Service Provider with all system keys or passwords• provide the Service Provider with sufficient, free, and safe access to your facilities to perform service • remove all data, including confidential information, proprietary information and personal information, from the product or, if you are unable to remove any such information, modify the information to prevent its access by another party or so that it is not personal data under applicable law. The Service Provider shall not be responsible for the loss or disclosure of any data, including confidential information, proprietary information, or personal information, on a product returned or accessed for warranty service• remove all features, parts, options, alterations, and attachments not covered by the warranty• ensure that the product or part is free of any legal restrictions that prevent its replacement• if you are not the owner of a product or part, obtain authorization from the owner for the Service Provider to provide warranty service What Your Service Provider Will Do to Correct ProblemsWhen you contact a Service Provider, you must follow the specified problem determination and resolution procedures.The Service Provider will attempt to diagnose and resolve your problem by telephone, e-mail or remote assistance. The Service Provider may direct you to download and install designated software updates.Some problems may be resolved with a replacement part that you install yourself called a "Customer Replaceable Unit" or "CRU." If so, the Service Provider will ship the CRU to you for you to install.If your problem cannot be resolved over the telephone; through the application of software updates or the installation of a CRU, the Service Provider will arrange for service under the type of warranty service designated for the product under "Part 3 - Warranty Service Information" below. If the Service Provider determines that it is unable to repair your product, the Service Provider will replace it with one that is at least functionally equivalent.If the Service Provider determines that it is unable to either repair or replace your product, your sole remedy under this Limited Warranty is to return the product to your place of purchase or to Lenovo for a refund of your purchase price. Replacement Products and PartsWhen warranty service involves the replacement of a product or part, the replaced product or part becomes Lenovo's property and the replacement product or part becomes your property. Only unaltered Lenovo products and parts are eligible for replacement. The replacement product or part provided by Lenovo may not be new, but it will be in good working order and at least functionally equivalent to the original product or part. The replacement product or part shall be warranted for the balance of the period remaining on the original product.
Lenovo limited warranty3Use of Personal Contact InformationIf you obtain service under this warranty, you authorize Lenovo to store, use and process information about your warranty service and your contact information, including name, phone numbers, address, and e-mail address. Lenovo may use this information to perform service under this warranty. We may contact you to inquire about your satisfaction with our warranty service or to notify you about any product recalls or safety issues. In accomplishing these purposes, you authorize Lenovo to transfer your information to any country where we do business and to provide it to entities acting on our behalf. We may also disclose it where required by law. Lenovo's privacy policy is available at www.lenovo.com/.What this Warranty Does not CoverThis warranty does not cover the following: • uninterrupted or error-free operation of a product• loss of, or damage to, your data by a product• any software programs, whether provided with the product or installed subsequently• failure or damage resulting from misuse, abuse, accident, modification, unsuitable physical or operating environment, natural disasters, power surges, improper maintenance, or use not in accordance with product information materials• damage caused by a non-authorized service provider• failure of, or damage caused by, any third party products, including those that Lenovo may provide or integrate into the Lenovo product at your request• any technical or other support, such as assistance with “how-to” questions and those regarding product set-up and installation• products or parts with an altered identification label or from which the identification label has been removedLimitation of LiabilityLenovo is responsible for loss or damage to your product only while it is in the Service Provider's possession or in transit, if the Service Provider is responsible for the transportation.Neither Lenovo nor the Service Provider is responsible for loss or disclosure of any data, including confidential information, proprietary information, or personal information, contained in a product. UNDER NO CIRCUMSTANCES, AND NOTWITHSTANDING THE FAILURE OF ESSENTIAL PURPOSE OF ANY REMEDY SET FORTH HEREIN, SHALL LENOVO, ITS AFFILIATES, SUPPLIERS, RESELLERS, OR SERVICE PROVIDERS BE LIABLE FOR ANY OF THE FOLLOWING EVEN IF INFORMED OF THEIR POSSIBILITY AND REGARDLESS OF WHETHER THE CLAIM IS BASED IN CONTRACT, WARRANTY, NEGLIGENCE, STRICT LIABILITY OR OTHER THEORY OF LIABILITY: 1) THIRD PARTY CLAIMS AGAINST YOU FOR DAMAGES; 2) LOSS, DAMAGE OR DISCLOSURE OF YOUR DATA; 3) SPECIAL, INCIDENTAL, PUNITIVE, INDIRECT OR CONSEQUENTIAL DAMAGES, INCLUDING BUT NOT LIMITED TO LOST PROFITS, BUSINESS REVENUE, GOODWILL OR ANTICIPATED SAVINGS. IN NO CASE SHALL THE TOTAL LIABILITY OF LENOVO, ITS AFFILIATESS, SUPPLIERS, RESELLERS OR SERVICE PROVIDERS FOR DAMAGES FROM ANY CAUSE EXCEED THE AMOUNT OF ACTUAL DIRECT DAMAGES, NOT TO EXCEED THE AMOUNT PAID FOR THE PRODUCT.
4Lenovo limited warrantyTHE FOREGOING LIMITATIONS DO NOT APPLY TO DAMAGES FOR BODILY INJURY (INCLUDING DEATH), DAMAGE TO REAL PROPERTY OR DAMAGE TO TANGIBLE PERSONAL PROPERTY FOR WHICH LENOVO IS LIABLE UNDER LAW.AS SOME STATES OR JURISDICTIONS DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES, THE ABOVE LIMITATION OR EXCLUSION MAY NOT APPLY TO YOU.Your Other RightsTHIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS. YOU MAY HAVE OTHER RIGHTS ACCORDING TO THE APPLICABLE LAWS OF YOUR STATE OR JURISDICTION. YOU MAY ALSO HAVE OTHER RIGHTS UNDER A WRITTEN AGREEMENT WITH LENOVO. NOTHING IN THIS WARRANTY AFFECTS STATUTORY RIGHTS, INCLUDING RIGHTS OF CONSUMERS UNDER LAWS OR REGULATIONS GOVERNING THE SALE OF CONSUMER GOODS THAT CANNOT BE WAIVED OR LIMITED BY CONTRACT. Part 2 - Country-specific Terms  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Australia"Lenovo" means Lenovo (Australia & New Zealand) Pty Limited ABN 70 112 394 411. Address: Level 10, North Tower, 1-5 Railway Street, Chatswood, NSW, 2067. Telephone: +61 2 8003 8200. Email: lensyd_au@lenovo.comThe following replaces the same section in Part 1:What this Warranty Covers:Lenovo warrants that each hardware product that you purchase is free from defects in materials and workmanship under normal use and conditions during the warranty period. If the product fails due to a covered defect during the warranty period, Lenovo will provide you a remedy under this Limited Warranty. The warranty period for the product starts on the original date of purchase specified on your sales receipt or invoice unless Lenovo informs you otherwise in writing. The warranty period and type of warranty service that apply to your product are set forth below in Part 3 - Warranty Service Information.THE BENEFITS GIVEN BY THIS WARRANTY ARE IN ADDITION TO YOUR RIGHTS AND REMEDIES AT LAW, INCLUDING THOSE UNDER THE AUSTRALIAN CONSUMER LAW.The following replaces the same section in Part 1:Replacement Products and Parts:When warranty service involves the replacement of a product or part, the replaced product or part becomes Lenovo's property and the replacement product or part becomes your property. Only unaltered Lenovo products and parts are eligible for replacement. The replacement product or part provided by Lenovo may not be new, but it will be in good working order and at least functionally equivalent to the original product or part. The replacement product or part shall be warranted for
Lenovo limited warranty5the balance of the period remaining on the original product. Products and parts presented for repair may be replaced by refurbished products or parts of the same type rather than being repaired. Refurbished parts may be used to repair the product; and repair of the product may result in loss of data, if the product is capable of retaining user-generated data.The following is added to the same section in Part 1:Use of Personal Contact Information:Lenovo will not be able to perform our service under this warranty if you refuse to provide your information or do not wish us to transfer your information to our agent or contractor. You have the right to access your personal contact information and request correction of any errors in it pursuant to the Privacy Act 1988 by contacting Lenovo.The following replaces the same section in Part 1:Limitation of Liability:Lenovo is responsible for loss or damage to your product only while it is in the Service Provider's possession or in transit, if the Service Provider is responsible for the transportation.Neither Lenovo nor the Service Provider is responsible for loss or disclosure of any data, including confidential information, proprietary information, or personal information, contained in a product. TO THE EXTENT PERMITTED BY LAW, UNDER NO CIRCUMSTANCES AND NOTWITHSTANDING THE FAILURE OF ESSENTIAL PURPOSE OF ANY REMEDY SET FORTH HEREIN, SHALL LENOVO, ITS AFFILIATES, SUPPLIERS, RESELLERS, OR SERVICE PROVIDERS BE LIABLE FOR ANY OF THE FOLLOWING EVEN IF INFORMED OF THEIR POSSIBILITY AND REGARDLESS OF WHETHER THE CLAIM IS BASED IN CONTRACT, WARRANTY, NEGLIGENCE, STRICT LIABILITY OR OTHER THEORY OF LIABILITY: 1) THIRD PARTY CLAIMS AGAINST YOU FOR DAMAGES; 2) LOSS, DAMAGE OR DISCLOSURE OF YOUR DATA; 3) SPECIAL, INCIDENTAL, PUNITIVE, INDIRECT OR CONSEQUENTIAL DAMAGES, INCLUDING BUT NOT LIMITED TO LOST PROFITS, BUSINESS REVENUE, GOODWILL OR ANTICIPATED SAVINGS. IN NO CASE SHALL THE TOTAL LIABILITY OF LENOVO, ITS AFFILIATESS, SUPPLIERS, RESELLERS OR SERVICE PROVIDERS FOR DAMAGES FROM ANY CAUSE EXCEED THE AMOUNT OF ACTUAL DIRECT DAMAGES, NOT TO EXCEED THE AMOUNT PAID FOR THE PRODUCT.THE FOREGOING LIMITATIONS DO NOT APPLY TO DAMAGES FOR BODILY INJURY (INCLUDING DEATH), DAMAGE TO REAL PROPERTY OR DAMAGE TO TANGIBLE PERSONAL PROPERTY FOR WHICH LENOVO IS LIABLE UNDER LAW.The following replaces the same section in Part 1:Your Other Rights:THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS. YOU ALSO HAVE OTHER RIGHTS AT LAW, INCLUDING UNDER THE AUSTRALIAN CONSUMER LAW. NOTHING IN THIS WARRANTY AFFECTS STATUTORY RIGHTS OR RIGHTS AT LAW, INCLUDING RIGHTS THAT CANNOT BE WAIVED OR LIMITED BY CONTRACT.
6Lenovo limited warrantyFor example, our products come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the products repaired or replaced if the products fail to be of acceptable quality and the failure does not amount to a major failure.New ZealandThe following is added to the same section in Part 1:Use of Personal Information:Lenovo will not be able to perform our service under this warranty if you refuse to provide your information or do not wish us to transfer your information to our agent or contractor. You have the right to access your personal information and request correction of any errors in it pursuant to the Privacy Act 1993 by contacting Lenovo (Australia & New Zealand) Pty Limited ABN 70 112 394 411. Address: Level 10, North Tower, 1-5 Railway Street, Chatswood, NSW, 2067. Telephone: 61 2 8003 8200. Email: lensyd_au@lenovo.comBangladesh, Cambodia, India, Indonesia, Nepal, Philippines, Vietnam and Sri LankaThe following is added to Part 1:Dispute ResolutionDisputes arising out of or in connection with this warranty shall be finally settled by arbitration held in Singapore. This warranty shall be governed, construed and enforced in accordance with the laws of Singapore, without regard to conflict of laws. If you acquired the product in India, disputes arising out of or in connection with this warranty shall be finally settled by arbitration held in Bangalore, India. Arbitration in Singapore shall be held in accordance with the Arbitration Rules of Singapore International Arbitration Center ("SIAC Rules") then in effect. Arbitration in India shall be held in accordance with the laws of India then in effect. The arbitration award shall be final and binding on the parties without appeal. Any award shall be in writing and set forth the findings of fact and the conclusions of law. All arbitration proceedings, including all documents presented in such proceedings shall be conducted in the English language.  The English language version of this warranty prevails over any other language version in such proceedings. European Economic Area (EEA)The following is added to Part 1:Customers in the EEA may contact Lenovo at the following address: EMEA Service Organisation, Lenovo (International) B.V., Floor 2, Einsteinova 21, 851 01, Bratislava, Slovakia. Service under this warranty for Lenovo hardware products purchased in EEA countries may be obtained in any EEA country in which the product has been announced and made available by Lenovo. RussiaThe following is added to Part 1:Product Service Life The product service life is four (4) years from the original date of purchase.
Lenovo limited warranty7Part 3 - Warranty Service Information  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -If required, the Service Provider will provide repair or exchange service depending on the type of warranty service specified for your product and the available service. Scheduling of service will depend upon the time of your call, parts availability, and other factors.Product or machine type Country or region of purchase Warranty periodTypes of warranty serviceNotebook:20246, 80ABTaiwan, Koreaparts and labor - 1 yearbattery pack - 1 year3, 4Singapore 1, 3, 4China (Hong Kong S.A.R.), China (Macau S.A.R.), India, Indonesia, Malaysia, Thailand, Philippines, Vietnam, Bahrain, Kuwait, Oman, Qatar, Egypt, South Africa, Saudi Arabia, UAE, Algeria, Nigeria, Kenya, Sri Lanka 1, 4Bosnia-Herzegovina, Croatia, Cyprus, Greece, Macedonia, Romania, Slovenia, Serbia, Poland, Hungary, Slovakia, BulgariaArgentina, Colombia, Peru, Venezuela, Bolivia, Uruguay, Chile, Paraguay, EcuadorAustria, France, Germany, Iceland, Israel, Ireland, Italy, Latvia, Lithuania, Switzerland, the United Kingdom 1, 3Japan, Australia, New ZealandUnited States of America, CanadaRussia, Ukraine, the Republic of Kazakhstan, Belarus, Turkmenistan, Azerbaijan, Georgia 4BrazilMexico 1, 5Belgium, Denmark, Estonia, Finland, Luxembourg, Netherlands, Norway, Spain, Swedenparts and labor - 2 years battery pack - 1 year1, 3Turkey, Czech Republic 1, 4
8Lenovo limited warrantyTypes of Warranty Service1Customer Replaceable Unit (“CRU”) ServiceUnder CRU Service, the Service Provider will ship CRUs to you at its cost for installation by you. CRU information and replacement instructions are shipped with your product and are available from Lenovo at any time upon request. CRUs that are easily installed by you are called "Self-service CRUs". "Optional-service CRUs "are CRUs that may require some technical skill and tools. Installation of Self-service CRUs is your responsibility. You may request that a Service Provider install Optional-service CRUs under one of the other types of warranty service designated for your product. An optional service offering may be available for purchase from a Service Provider or Lenovo under which Self-service CRUs would be installed for you. You may find a list of CRUs and their designation in the publication that was shipped with your product or at www.lenovo.com/CRUs. The requirement to return a defective CRU, if any, will be specified in the instructions shipped with a replacement CRU. When return is required: 1) return instructions, a prepaid return shipping label, and a container will be included with the replacement CRU; and 2) you may be charged for the replacement CRU if the Service Provider does not receive the defective CRU from you within thirty (30) days of your receipt of the replacement CRU.2On-site ServiceUnder On-Site Service, a Service Provider will either repair or exchange the product at your location. You must provide a suitable working area to allow disassembly and reassembly of the product.  Some repairs may need to be completed at a service center. If so, the Service Provider will send the product to the service center at its expense.3Courier or Depot ServiceUnder Courier or Depot Service, your product will be repaired or exchanged at a designated service center, with shipping at the expense of the Service Provider. You are responsible for disconnecting the product and packing it in a shipping container provided to you to return your product to a designated service center. A courier will pick up your product and deliver it to the designated service center. The service center will return the product to you at its expense. 4Customer Carry-In ServiceUnder Customer Carry-In Service, your product will be repaired or exchanged after you deliver it to a designated service center at your risk and expense. After the product has been repaired or exchanged, it will be made available to you for collection. If you fail to collect the product, the Service Provider may dispose of the product as it sees fit, with no liability to you.5Mail-In ServiceUnder Mail-In Service, your product will be repaired or exchanged at a designated service center after you deliver it at your risk and expense. After the product has been repaired or exchanged, it will be returned to you at Lenovo's risk and expense, unless the Service Provider specifies otherwise. 6Customer Two-Way Mail-In ServiceUnder Customer Two-Way Mail-In Service, your product will be repaired or exchanged after you deliver it to a designated service center at your risk and expense. After the product has been repaired or exchanged, it will be made available to you for return shipping at your risk and
Lenovo limited warranty9expense. If you fail to arrange return shipment, the Service Provider may dispose of the product as it sees fit, with no liability to you.7Product Exchange ServiceUnder Product Exchange Service, Lenovo will ship a replacement product to your location. You are responsible for its installation and verification of its operation. The replacement product becomes your property in exchange for the failed product, which becomes the property of Lenovo. You must pack the failed product in the shipping carton in which you received the replacement product and return it to Lenovo. Transportation charges, both ways, shall be at Lenovo’s expense. If you fail to use the carton in which the replacement product was received, you may be responsible for any damage to the failed product occurring during shipment. You may be charged for the replacement product if Lenovo does not receive the failed product within thirty (30) days of your receipt of the replacement product.
10Product specific NoticesThe notices in this appendix are specific to the product with the given MT number. Notices that are common for most Lenovo products are included in “Appendix A. Notices” of the Lenovo Safety and General Information Guide.Energy star information  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ENERGY STAR® is a joint program of the U.S. Environmental Protection Agency and the U.S. Department of Energy aimed at saving money and protecting the environment through energy efficient products and practices.Lenovo® is proud to offer our customers products with an ENERGY STAR compliant designation. Lenovo computers of the following machine types, if the ENERGY STAR mark is affixed, have been designed and tested to conform to the ENERGY STAR program requirements for computers.• 20246, 80ABBy using ENERGY STAR compliant products and taking advantage of the power-management features of your computer, you reduce the consumption of electricity. Reduced electrical consumption contributes to potential financial savings, a cleaner environment, and the reduction of greenhouse gas emissions.For more information about ENERGY STAR, visit http://www.energystar.gov.Lenovo encourages you to make efficient use of energy an integral part of your day-to-day operations. To help in this endeavor, Lenovo has preset the following power-management features to take effect when your computer has been inactive for a specified duration:To awaken your computer from a Sleep mode, press any key on your keyboard. For more information about these settings, refer to your Windows Help and Support information system.Table 1. ENERGY STAR power-management featuresWindows® 8Power plan: balanced (plugged in)• Turn off the display: After 5 minutes• Put the computer to sleep: After 30 minutes• Advanced power settings:- Turn off hard disks: After 20 minutes
Product specific Notices11Electronic emissions notices  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -The following information refers to IdeaPad Yoga 11S, machine type 20246, 80AB.Federal Communications Commission (FCC) StatementThis equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee the interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:• Reorient or relocate the receiving antenna.• Increase the separation between the equipment and receiver.• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.• Consult an authorized dealer or service representative for help.Properly shielded and grounded cables and connectors must be used in order to meet FCC emission limits. Proper cables and connectors are available from Lenovo authorized dealers. Lenovo is not responsible for any radio or television interference caused by using other than recommended cables or connectors or by unauthorized changes or modifications to this equipment. Unauthorized changes or modifications could void the user’s authority to operate the equipment.This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.Responsible party:Lenovo (United States) Incorporated 1009 Think Place - Building One Morrisville, NC 27560 U.S.A. Telephone: (919) 294-5900
12Product specific NoticesIndustry Canada Class B Emission Compliance StatementThis Class B digital apparatus complies with Canadian ICES-003.Avis de conformité à la réglementation d’Industrie CanadaCet appareil numérique de la classe B est conforme à la norme NMB-003 du Canada.German Class B Compliance StatementDeutschsprachiger EU Hinweis: Hinweis für Geräte der Klasse B EU-Richtlinie zur Elektromagnetischen VerträglichkeitDieses Produkt entspricht den Schutzanforderungen der EU-Richtlinie 2004/108/EG (früher 89/336/EWG) zur Angleichung der Rechtsvorschriften über die elektromagnetische Verträglichkeit in den EU-Mitgliedsstaaten und hält die Grenzwerte der EN 55022 Klasse B ein. Um dieses sicherzustellen, sind die Geräte wie in den Handbüchern beschrieben zu installieren und zu betreiben. Des Weiteren dürfen auch nur von der Lenovo empfohlene Kabel angeschlossen werden. Lenovo übernimmt keine Verantwortung für die Einhaltung der Schutzanforderungen, wenn das Produkt ohne Zustimmung der Lenovo verändert bzw. wenn Erweiterungskomponenten von Fremdherstellern ohne Empfehlung der Lenovo gesteckt/eingebaut werden.Deutschland: Einhaltung des Gesetzes über die elektromagnetische Verträglichkeit von BetriebsmitteinDieses Produkt entspricht dem “Gesetz über die elektromagnetische Verträglichkeit von Betriebsmitteln” EMVG (früher “Gesetz über die elektromagnetische Verträglichkeit von Geräten”). Dies ist die Umsetzung der EU-Richtlinie 2004/108/EG (früher 89/336/EWG) in der Bundesrepublik Deutschland.Zulassungsbescheinigung laut dem Deutschen Gesetz über die elektromagnetische Verträglichkeit von Betriebsmitteln, EMVG vom 20. Juli 2007 (früher Gesetz über die elektromagnetische Verträglichkeit von Geräten), bzw. der EMV EG Richtlinie 2004/108/EC (früher 89/336/EWG), für Geräte der Klasse B.Dieses Gerät ist berechtigt, in Übereinstimmung mit dem Deutschen EMVG das EG-Konformitätszeichen - CE - zu führen. Verantwortlich für die Konformitätserklärung nach Paragraf 5 des EMVG ist die Lenovo (Deutschland) GmbH, Gropiusplatz 10, D-70563 Stuttgart. Informationen in Hinsicht EMVG Paragraf 4 Abs. (1) 4:Das Gerät erfüllt die Schutzanforderungen nach EN 55024 und EN 55022 Klasse B.
Product specific Notices13European Union Compliance Statement Class B ComplianceEuropean Union - Compliance to the Electromagnetic Compatibility DirectiveThis product is in conformity with the protection requirements of EU Council Directive 2004/108/EC on the approximation of the laws of the Member States relating to electromagnetic compatibility. Lenovo cannot accept responsibility for any failure to satisfy the protection requirements resulting from a non-recommended modification of the product, including the installation of option cards from other manufacturers.This product has been tested and found to comply with the limits for Class B Information Technology Equipment according to European Standard EN 55022. The limits for Class B equipment were derived for typical residential environments to provide reasonable protection against interference with licensed communication devices. EU Contact Address: Lenovo, Einsteinova 21, 851 01 Bratislava, Slovakia
14SpecificationsModel Name:  Lenovo IdeaPad Yoga 11SMachine Type:  20246, 80ABNote: The following specifications may contain technical inaccuracies or typographical errors. Lenovo reserves the right to improve and/or change specifications at any time without notice. Form FactorDimensions Appr. 298.0 mm × 204.0 mm × 17.2 mm Weight Appr. 1.4 kg with 4 cell batteryLCD size 11-inchProcessorProcessorView the system properties of your computer.You can do this as follows: Open the Control Panel,and then select System and Security → System.MemoryType and speed  DDR3L up to 1 600Maximum supported capacity 2 GB / 4 GB / 8 GBSSDCapacity 128 GB / 256 GBDisplay Touch Screen Multi touch screenI/O PortsUSB USB 2.0 × 1, USB 3.0 × 2Audio Combo audio jack × 1Video/Audio  HDMI × 1Card reader 2 in 1 slot × 1 (SD, MMC)Battery packType  Li-PolymerCells/Capacity 4 cell, 2 900 mAh
Specifications15AC adapterInput 100 - 240 V, 50 - 60 Hz ACOutput voltage 20 V DCPower 45 WMiscellaneousCamera 1.0 Mega / 720P HD
16Trademarks The following terms are trademarks or registered trademarks of Lenovo in the United States, other countries, or both.Lenovo IdeaPadMicrosoft and Windows are trademarks of Microsoft Corporation in the United States, other countries, or both.
en-USRev. AA00Lenovo IdeaPad Read the safety notices and important tips in the included manuals before using your computer.©Lenovo China 2012User Guide Yoga 11S
The Regulatory Notice provides information about the radio frequency and safety standards. Be sure to read it before using wireless devices on your computer.To refer to it, go to http://www.lenovo.com, click Support, and then click User’s guides and manuals.Regulatory NoticeFirst Edition (December 2012)© Copyright Lenovo 2012. Before using the product, be sure to read Lenovo Safety and General Information Guide first.The features described in this guide are common to most models. Some features may not be available on your computer or your computer may include features that are not described in this user guide.Some instructions in this guide may assume that you are using Windows® 8. If you are using another Windows operating system, some operations may be slightly different. If you are using other operating systems, some operations may not apply to you.LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant a GeneralServices Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions setforth in Contract No. GS-35F-05925.Notes•••The illustrations in this manual may differ from the actual product. Please refer to the actual product.•••
iChapter 1. Getting to know your computer ..................................................................................... 1Top view......................................................................................................................................................... 1Left-side view ................................................................................................................................................ 8Right-side view............................................................................................................................................ 10Front view .................................................................................................................................................... 12Chapter 2. Starting to use Windows 8............................................................................................13Configuring the operating system for the first time .............................................................................. 13Operating system interfaces ...................................................................................................................... 13The Charms .................................................................................................................................................. 14Putting the computer to sleep or shutting it down................................................................................ 16Touch screen operation .............................................................................................................................. 18Connecting to wireless LAN ..................................................................................................................... 22Recovery system.......................................................................................................................................... 23Help and support ........................................................................................................................................ 24Chapter 3. Troubleshooting ............................................................................................................ 25Frequently asked questions ....................................................................................................................... 25Troubleshooting .......................................................................................................................................... 26Trademarks....................................................................................................................................... 29Contents
1Chapter 1. Getting to know your computerTop view - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -Note: The dashed areas indicate parts that are not visible externally.Attention:•When closing the display panel, be careful not to leave pens or any other objects in between the display panel and the keyboard. Otherwise, the display panel may be damaged.2345
2Chapter 1. Getting to know your computerIntegrated camera (select models only)Use the camera for video communication.Multi-touch screen Functions as both the visual display as well as one of the two primary input methods.Note:  For details, see “Touch screen operation” on page 18.Windows button Press this button to:Toggle between the current view and the Start screen.-or-Wake up the computer from sleep mode.Touchpad The touchpad functions as a conventional mouse.Touchpad: To move the pointer on the screen, slide your fingertip over the pad in the direction in which you want the pointer to move.Touchpad buttons: The functions of the left/right side correspond to that of the left/right mouse button on a conventional mouse.Note: You can enable/disable the touchpad by pressing F6 ().Wireless LAN antennasConnect to the wireless LAN adapter to send and receive wireless radio. abcde
Chapter 1. Getting to know your computer3Keyboard function keysYou can access certain system settings quickly by pressing the appropriate function keys. :Mutes/unmutes the sound.  :Enables/disables Airplane mode. :Decreases the volume level.  :Displays all currently active apps. :Increases the volume level.  :Toggles the display between the computer and an external device. :Closes the currently active window.  :Decreases display brightness. :Refreshes the desktop or the currently active window.  :Increases display brightness. :Enables/disables the touchpad.Note: The screen brightness is set automatically (based on the ambient light level) by default. If you want to adjust the brightness of the screen manually, open the Charms bar and select Settings → Change PC settings → General → Screen (Adjust my screen brightness automatically) and toggle the switch to Off.
4Chapter 1. Getting to know your computerScreen orientationYou can rotate the display panel to your preferred orientation.• The orientation of the display automatically changes (alternating between portrait and landscape modes) depending upon how you hold the computer.• To prevent automatic orientation, press the screen rotation lock button. It is located on the right edge of the computer. (See below illustration).
Chapter 1. Getting to know your computer5Positioning the display panelThe display panel can be opened to any angle up to 360 degrees.Notebook ModeSuitable for tasks that require a keyboard and mouse (such as creating documents, writing e-mails, and so on).
6Chapter 1. Getting to know your computerStand Mode (Theater Mode)Suitable for tasks that require little or no touch (such as viewing photos or playing videos).Tablet ModeSuitable for tasks that require touching the screen often (such as surfing the Web, playing games, and so on).
Chapter 1. Getting to know your computer7Tent Mode (Presentation Mode)Suitable for tasks that require limited interaction with the touch screen (such as displaying graphs or a PowerPoint presentation).Attention:•Do not open the display with too much force, otherwise the panel or hinges may be damaged.Notes:•The keyboard and touchpad are automatically locked when the screen is opened beyond 190 degrees (approximately).•In tablet mode, only the following buttons can be used:Windows buttonVolume Up buttonVolume Down buttonScreen rotation lock button
8Chapter 1. Getting to know your computerLeft-side view  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Combo audio jack Connects to headsets.Notes: •The combo audio jack does not support conventional microphones.•The recording function may not be supported if third-party headphones or headsets are connected, due to different industry standards.USB port Connects to USB devices.Note:  For details, see “Connecting USB devices” on page 9.HDMI port Connects to devices with HDMI input such as a TV or an external display.Speaker Provides audio output.Volume up button Increases volume level.Volume down button Decreases volume level.5 6321 4abcdef
Chapter 1. Getting to know your computer9Connecting USB devicesYour computer comes with two USB ports compatible with USB devices.The first time you plug a USB device into a particular USB port on your computer, Windows automatically installs a driver for that device. After the driver has been installed, you can disconnect and reconnect the device without performing any additional steps. Before disconnecting a USB storage device, make sure your computer has finished transferring data by that device. Click the Safely Remove Hardware icon in the notification area of Windows to remove the device before disconnecting. Note: Typically, Windows detects a new device after connecting it, and then installs the driver automatically. However, some devices may require you to install the driver before connecting. Check the documentation provided by the device’s manufacturer before connecting the device.Note: If your USB device uses a power cord, connect the device to a power source before connecting it. Otherwise, the device may not be recognized.
10Chapter 1. Getting to know your computerRight-side view  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Screen rotation lock buttonKeeps the screen locked in portrait or landscape orientation. Locking the screen rotation will disable the gravity sensing function, thereby preventing the screen from changing its orientation automatically depending upon the angle at which it is held.Speaker Provides audio output.USB port Connects to USB devices.Note:  For details, see “Connecting USB devices” on page 9.Memory card slot Insert memory cards (not supplied) here.Note:  For details, see “Using memory cards (not supplied)” on page 11.AC power adapter jackConnect the AC power adapter here.1 2 3 4 5abcde
Chapter 1. Getting to know your computer11Using memory cards (not supplied) Your computer supports the following types of memory cards:• Secure Digital (SD) card• MultiMediaCard (MMC)Inserting a memory card1Push the dummy card in until you hear a click.2Gently pull the dummy card out of the memory card slot.3Slide the memory card in until it clicks into place.Removing a memory card1Push the memory card in until you hear a click.2Gently pull the memory card out of the memory card slot.Notes:•Insert only one card in the slot at a time.•This card reader does not support SDIO devices (e.g., SDIO Bluetooth, etc.).Note: The dummy card is used for preventing dust and small particles from entering the inside of your computer when the memory card slot is not in use. Retain the dummy card for future use.Note: Before removing the memory card, disable it by using the Windows safely remove hardware and eject media utility to avoid data corruption.
12Chapter 1. Getting to know your computerFront view - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Novo button  When the computer is off, press this button to start the Lenovo Recovery system or the BIOS setup utility, or to enter the boot menu.Power button  Press this button to turn on the computer.Battery status indicatorSymbol Indicator status MeaningOn (white)The computer is on and is connected to an electrical power source through the AC power adapter.The computer is off and is connected to an electrical power source through the AC power adapter.The computer is in standby mode and is connected to an electrical power source through the AC power adapter.Blinking (amber)There is a problem with the battery or the battery connection, and the computer is connected to an electrical power source through the AC power adapter.OffThe computer is on and is disconnected from the AC power adapter.The computer is off and is disconnected from the AC power adapter.The computer is in standby mode and is disconnected from the AC power adapter.Note: When disconnected from the AC power adapter, the operating system will display an on-screen notification to warn you when the battery's charge reaches low and critical power levels.Built-in microphone Captures sound which can be used for video conferencing, voice narration, or audio recording.1 2 3 4abcd
13Chapter 2. Starting to use Windows 8Configuring the operating system for the first time  - - - - - - - - - - - - - - - -You may need to configure the operating system when it is first used. The configuration process may include the procedures below:• Accepting the end user license agreement• Configuring the Internet connection• Registering the operating system• Creating a user accountOperating system interfaces - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -Windows 8 comes with two main user interfaces: the Start screen and the Windows desktop.To switch from the Start screen to the Windows desktop, do one of the following:• Select the Windows desktop tile on the Start screen.• Press the Windows button.• Press the Windows key + D.To switch from desktop to Start screen, do one of the following:• Select Start   from the Charms.• Move the pointer to the lower-left corner and then select the Start screen thumbnail when it is displayed.Start screen Desktop
14Chapter 2. Starting to use Windows 8The Charms  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - The five Charms provide new and faster ways to perform many basic tasks, and are always available regardless of which app you are currently in.To display the Charms, do one of the following:• Move the pointer to the upper-right or lower-right corner until  the Charms bar is displayed.• Use one finger to swipe in from the right edge of the screen until the Charms bar is displayed.• Press Windows key + C. Search charmThe Search charm is a powerful new way to find whatever you are looking for, including apps, settings and files.
Chapter 2. Starting to use Windows 815 Share charmThe Share charm lets you send links, photos, and more to your friends and social networks without leaving the app you are in. Start charmThe Start charm is a fast way to go to the Start screen. Devices charmThe Devices charm allows you to connect or send files to any external devices, such as digital cameras, TVs, or printers. Settings charmThe Settings charm lets you perform basic tasks, such as setting the volume or shutting down the computer. Also, you can get to the Control Panel through the Settings charm when using the desktop screen.
16Chapter 2. Starting to use Windows 8Putting the computer to sleep or shutting it down  - - - - - - - - - - - - - - - - - - When you have finished working with your computer, you can put it to sleep or shut it down.Putting your computer to sleepIf you will be away from your computer for a short time, put the computer to sleep. When the computer is in sleep mode, you can quickly wake it to resume use, bypassing the startup process.To put the computer to sleep, do one of the following:• Close the display panel.• Press the power button.• Open the Charms and then select Settings  → Power  → Sleep.To wake the computer, do one of the following:• Press any key on the keyboard, except for the following: F1/F2/F3/F6/F7/F11/F12/Fn. • Press the power button.• Press the Windows button.Note: Put your computer to sleep before you move it. Moving your computer while the hard disk is spinning can damage the hard disk, causing loss of data.
Chapter 2. Starting to use Windows 817Shutting down the computerIf you are not going to use your computer for a long time, shut it down.To shut down your computer:1Open the Charms, and then select Settings .2Select Power  → Shutdown.12
18Chapter 2. Starting to use Windows 8Touch screen operation  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - The display panel can accept inputs like a tablet, using the multi-touch screen, or like a traditional notebook computer, using the keyboard and touchpad.Multi-touch gesturesYou can touch the screen with one or more fingertips to perform a variety of tasks.Frequently used gestures Tasks performedTapTap once on an itemPerforms an action, such as starting an app, opening a link, or performing a command. Similar to left-clicking with a mouse.Press and holdPress your finger down and leave it there for a moment.Allows you to see detailed information before selecting an action. Can also open a menu with more options. Similar to right-clicking with a mouse.
Chapter 2. Starting to use Windows 819(continued)Frequently used gestures Tasks performedPinchMove two fingers together or apart while touching the screen.Zooms in and out on visual apps, such as pictures and maps. Can also jump to the beginning or end of a list.RotatePlace two or more fingers on an item and then turn your hand.Turns an object. (Note: Not all items can be rotated, depending upon the app.)SlideDrag your finger across the screen.Pans or scrolls through lists and pages. Can also move an object or be used to draw or write, depending upon app. Similar to pressing and holding to pan and to scrolling with a mouse.
20Chapter 2. Starting to use Windows 8(continued)Frequently used gestures Tasks performedSwipeStart from any edge of the screen, then swipe inwards toward the center. Swiping down from the top edge or up from the bottom edge displays a task bar on the bottom of the screen with app commands, including save, edit, and delete.If you have an app currently open, you can also:• Swipe from the top edge to halfway down the screen without lifting your finger to dock that app on the left or right side of the screen. This allows you to keep two apps open simultaneously in a split-screen format.• Swipe from the top edge straight down to the bottom edge of the screen continuously without lifting your finger to close the currently open app.
Chapter 2. Starting to use Windows 821(continued)Frequently used gestures Tasks performedSwiping in from the left edge can:• Bring in and open an app currently running in the background.If there is more than one currently open app, you can:• Swipe in from the left to bring in an app and, without lifting your finger, push that app back off the left edge of the screen quickly. This displays a list of the apps currently running in the background.Swiping in from the right edge of the screen displays the Charms.
22Chapter 2. Starting to use Windows 8Connecting to wireless LAN  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Enabling wireless connectionTo confirm that Airplane mode is disabled, go to the desktop and check the notification area.If you see the icon displayed on the lower right, then Airplane mode is on. Otherwise, wireless function is enabled.If Airplane mode is on, do one of the following to enable the wireless function:•Press F7 (   ) to disable Airplane mode.• Open the Charms and select Settings  →   to open the Network configuration page, and then toggle the Airplane mode switch to Off.Connecting to a wireless LANAfter wireless has been enabled, the computer will automatically scan for available wireless networks and display them in the wireless LAN network list. To connect to a wireless network, click the network name in the list, and then click Connect.Note: Airplane mode should be disabled by default.Note: Some networks require a network security key or passphrase for connection. To connect to one of those networks, ask the network administrator or the Internet service provider (ISP) for the security key or passphrase.
Chapter 2. Starting to use Windows 823Recovery system   - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -Introduction  Push-button Reset is a built-in recovery tool that allows users to restore their operating system to its original state while preserving their data and important customizations, without the need to back up their data in advance.The following Push-button Reset features are available to users from multiple locations within Windows: Refreshing the computerFixes software problems by reinstalling the factory default configuration while preserving the user’s data, important settings, and any Windows Store apps previously purchased from the Windows Store.Resetting the computerPrepares the computer for recycling or for the transfer of ownership by reinstalling the factory default configuration and returning all user data and applications to the state of their original Out-of-Box Experience (OOBE).Using Push-Button ResetWhen the computer can start, Push-button Reset can be normally launched from:• Windows PC Settings• Control Panel•Settings charm:1Select Power.2Press and hold the Shift key while selecting Restart.3Select  Troubleshoot from the Choose an option window.When the on-disk recovery environment cannot be started, Push-button Reset can be launched from: • Boot options menu (automatic)• Bootable USB flash driveFollow the on-screen instructions and restart the system for the changes to take effect. For more instructions, see the Windows Help and Support file on your computer.
24Chapter 2. Starting to use Windows 8Help and support   - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - If you have any problems using the operating system, see the Windows Help and Support file. To open the Windows Help and Support file, do one of the following:• Select Settings charm, then select Help.• Press Windows key + F1.You can read the Windows Help and Support file on your computer. You can also get online help and support by clicking on one of the two links listed under More to explore.
25Chapter 3. TroubleshootingFrequently asked questions  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -This section lists frequently asked questions by category.Finding informationWhat safety precautions should I follow when using my computer?The Lenovo Safety and General Information Guide which came with your computer contains safety precautions for using your computer. Read and follow all the precautions when using your computer.Where can I find the hardware specifications for my computer?You can find the hardware specifications for your computer on the printed flyers  which came with your computer.Where can I find warranty information?For the warranty applicable to your computer, including the warranty period and type of warranty service, see the Lenovo limited warranty flyer that came with your computer.Drivers and preinstalled softwareWhere are the installation discs for Lenovo preinstalled (desktop) software?Your computer did not come with any installation discs for Lenovo preinstalled software. If you need to reinstall any preinstalled software, you can find the installation program located on the D partition of your hard disk. If you cannot find the installation program there, you can also download it from the Lenovo consumer support website.Where can I find drivers for the various hardware devices of my computer?If your computer is preinstalled with a Windows operating system, Lenovo provides drivers for all the hardware devices that you need on the D partition of your hard disk. You can also download the latest device drivers from the Lenovo consumer support website.Getting helpHow can I contact the customer support center?See "Chapter 3. Getting help and service" of the Lenovo Safety and General Information Guide.
26Chapter 3. TroubleshootingTroubleshooting - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - If you do not find your problem here, see Chapter 1. The following section only describes problems that might negate the need to refer to the more comprehensive information in Chapter 1.Display problemsWhen I turn on the computer, nothing appears on the screen. •If the screen is blank, make sure that:- The AC adapter is connected to the computer and the power cord is plugged into a working electrical outlet.- The computer power is on. (Press the power button again for confirmation.)•If these items are properly set, and the screen remains blank, have the computer serviced. My screen goes blank while the computer is on. •Your power management is enabled. Do one of the following to resume from sleep mode:- Press any key on the keyboard, except for the following: F1/F2/F3/F6/F7/F11/F12/Fn. - Press the power button.- Press the Windows button. Sleep problemsThe critical low-battery error message appears, and the computer immediately turns off.•The battery power is getting low. Connect the AC adapter to the computer.The computer enters sleep mode immediately after Power-on. •Make sure that: - The battery is charged.- The operating temperature is within the acceptable range. See “Chapter 2. Use and care Information” of Lenovo Safety and General Information Guide.Note: If the battery is charged and the temperature is within range, have the computer serviced.The computer does not return from sleep mode and the computer does not work. •If the computer does not return from sleep mode, the battery may be depleted. Check the power indicator.•If your computer is in sleep mode, connect the AC adapter to the computer, then press the Windows button or the power button.•If your computer is powered-off, connect the AC adapter to the computer, then press the power button to resume operation.Note:  If the system still does not return from sleep mode, your system has stopped responding, and you cannot turn off the computer; reset the computer. Unsaved data may be lost. To reset the computer, press and hold the power button for 5 seconds or more. If the computer still does not reset, remove the AC adapter.
Chapter 3. Troubleshooting27Display panel problemsThe screen is blank.  •Do the following:- If you are using the AC adapter, or using the battery, and the battery status indicator is on, press F12 (  ) to make the screen brighter. - If the power indicator is blinking, press the power button to resume from sleep mode. - If the problem persists, follow the solution in the next problem “The screen is unreadable or distorted.”The screen is unreadable or distorted. •Make sure that: - The screen resolution and color quality are correctly set. - The monitor type is correct.Incorrect characters appear on the screen. •Are the operating system or programs installed correctly? If they are installed and configured correctly, have the computer serviced.Sound problemsNo sound can be heard from the speaker even when the volume is turned up.•Make sure that:- The Mute function is off.- The combo audio jack is not being used.- Speakers are selected as the playback device. Battery problemsYour computer shuts down before the battery status indicator shows empty.-or-Your computer operates after the battery status indicator shows empty.•Recharge the battery.A startup problemThe Microsoft® Windows operating system does not start.•For details,  see “Recovery system” on page 23.Recovery system problemsFail to restore system partition to factory default. •The system partition, such as the partition size or the drive capacity of C, has been modified.
28Chapter 3. TroubleshootingOther problemsYour computer does not respond.•To turn off your computer, press and hold the power button for 5 seconds or more. If the computer still does not respond, remove the AC adapter. •Your computer might lock when it enters sleep mode during a communication operation. Disable the sleep timer when you are working on the network.The connected external device does not work.  •Do not connect or disconnect any external device cables other than USB while the computer power is on. Otherwise, you might damage your computer.•When using a high power consumption external devices such as an external USB optical disk drive, use an external device power adapter. Otherwise, the device may not be recognized, or the system may shut down as a result.
29Trademarks The following terms are trademarks or registered trademarks of Lenovo in the United States, other countries, or both.Lenovo IdeaPadMicrosoft and Windows are trademarks of Microsoft Corporation in the United States, other countries, or both.FCC SAR Exposure This device has been tested and meets the FCC RF exposure guidelines.The maximum SAR value reported is 0.893 w/kg.- English: This device complies with Industry Canada licence-exempt RSS standard(s). Operation is subject to the following two conditions: (1) This device may not cause interference, and  (2) This device must accept any interference, including interference that maycause undesired operation of the device.- French:Le présent appareil est conforme aux CNR d'Industrie Canada applicablesaux appareils radio exempts de licence. L'exploitation est autorisée auxdeux conditions suivantes: (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique subi,même si le brouillage est susceptible d'en compromettre le fonctionnement.
en-USRev. AA00Lenovo IdeaPad Yoga 11sRead the safety notices and important tips in the included manuals before using your computer.©Lenovo China 2012User Guide

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