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Lenovo Y471A AMD Muxless ATI Switchable Graphics Technology PowerXpress, Learning the basics

Models: Y471A

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Chapter 2. Learning the basics

AMD® Muxless ATI Switchable Graphics Technology (PowerXpress) ---------------------------------------------------------------------------------------------------------------

AMD PowerXpress Switchable Graphics technology is a mobile-platform feature that applies to systems equipped with a discrete graphics processor unit (dGPU) and an integrated graphics processor unit (iGPU), which allows the system to switch between GPUs (graphics processor units) in order to achieve designed performance or power savings.

Notes:

•PowerXpress is not supported by all operating systems. Currently, PowerXpress is supported by Windows® 7. If you are using another operating system, such as Windows® XP, it may not be possible to enable PowerXpress.

•PowerXpress is not supported by all media players and video compression standards.

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Lenovo Y471A manual AMD Muxless ATI Switchable Graphics Technology PowerXpress, Learning the basics

Contents

IdeaPad Y471A User GuideRegulatory Notice First Edition May Copyright LenovoChapter 3. Connecting to the Internet ContentsChapter 1. Getting to know your Chapter 5. TroubleshootingPage Chapter 1. Getting to know your computer indicators Wireless modulePower button Volume buttonsFan louvers VGA portHDMI port d RJ-45 portc d e AC power adapterRight-side view USB combo portMemory card slot indicatorsSystem status For details, see “System status indicators” on pageChapter 1. Getting to know your computer b Battery pack c Battery latch - manuala b c d Bottom viewInstalling the battery pack „ Connecting to the power„ Configuring the operating system Connecting the computer to an electrical outletPutting your computer into sleep state „ Putting your computer into sleep state or shutting it downChapter 2. Learning the basics Shutting down your computer„ Charging the battery Using AC adapter and battery„ Checking battery status „ Removing the battery packTouchpad button Using the touchpadTouchpad Chapter 2. Learning the basicsUsing the keyboard „ Numeric keypad„ Function key combinations Chapter 2. Learning the basicsThe following describes the features of each function key Chapter 2. Learning the basicsInserting a memory card „ Using memory cards not suppliedConnecting external devices Removing a memory card„ Connecting USB devices Chapter 2. Learning the basicsChapter 2. Learning the basics „ Connecting a Bluetooth deviceEnabling Bluetooth communications on your computer Special keys and buttons „ Volume buttons b- db Mute/Unmute c Volume down d Volume up „ OneKey Rescue system button aIntelligent mode Normal modeMovie mode „ OneKey Theater button eEfficient thermal dissipation mode Standard modeSuper silent mode Performing dust cleaningSystem status indicators a b cd e f g Chapter 2. Learning the basicse Power status indicator f Battery status indicator Chapter 2. Learning the basics a Caps lock indicatorb Num lock indicator c Hard disk drive indicator d Touchpad indicator g Wireless communication indicator„ Attaching a security lock not supplied „ Using VeriFace„ Using passwords Chapter 2. Learning the basicsAMD Muxless ATI Switchable Graphics Technology PowerXpress Chapter 2. Learning the basicsSwitching between Mode 1 and Mode Switchable Graphics in two modes on select modelsMode 1 Select the graphics processor based on application needs Chapter 2. Learning the basics„ Hardware connection Chapter 3. Connecting to the Internet„ Software configuration CableEnabling wireless connection „ Using Wi-Fi/WiMAXChapter 3. Connecting to the Internet Software configurationChapter 4. OneKey Rescue system „ Using Lenovo OneKey Recovery within Windows operating system„ Using Lenovo OneKey Rescue system without Windows operating system OneKey Rescue system„ Creating a recovery discs Chapter 4. OneKey Rescue systemChapter 5. Troubleshooting Frequently asked questionsChapter 5. Troubleshooting When do I need to restore the system to the factory status?Keyboard problems Display problemsA Password problem Chapter 5. TroubleshootingSound problems Chapter 5. Troubleshooting Sleep or hibernation problemsComputer screen problems speaker even when the volume isA startup problem Chapter 5. Troubleshooting Battery problemsA hard disk drive problem OneKey Rescue system problemsThe computer does not start from a device you want Chapter 5. Troubleshooting Other problemsYour computer does not respond The connected external device does not workReplacing the battery Appendix. CRU instructionsHandling a hard disk drive Replacing the hard disk driveAppendix. CRU instructions Appendix. CRU instructions To replace the hard disk drive, do the following6 Pull the tab in the direction shown by arrow d Appendix. CRU instructions5 Remove the frame fixing screws c Appendix. CRU instructions 7 Take out the hard disk drive secured in a metal frame eAppendix. CRU instructions Replacing memoryAppendix. CRU instructions To make sure that the DDR3 SDRAM is installed correctly, do as follows Appendix. CRU instructionsRemoving the optical drive Appendix. CRU instructionsTrademarks Page Lenovo China New World. New Thinking.TMV1.0en-US