Lenovo Y471A manual Appendix. CRU instructions

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Appendix. CRU instructions

Note: If only one DDR3 SDRAM is used on the computer you are servicing, the card must be installed in SLOT-0 ( : lower slot), but not in SLOT-1 ( : upper slot).

To make sure that the DDR3 SDRAM is installed correctly, do as follows:

1Turn the computer on.

2Hold F2 during startup. The BIOS setup utility screen opens. The System Memory item shows the total amount of memory installed in your computer.

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Contents IdeaPad Y471A Regulatory Notice First Edition May Copyright Lenovo Contents Page Top view Getting to know your computerPower button Wireless moduleIndicators Volume buttons Getting to know your computerUSB port RJ-45 portMicrophone jack Headphone jackAC power adapter USB combo port Optical driveJack Kensington slot System status Bottom view Battery pack Battery latch manual„ Configuring the operating system „ Connecting to the powerLearning the basics „ Reading the manualsLearning the basics Putting your computer into sleep stateShutting down your computer „ Charging the battery „ Checking battery status„ Removing the battery pack „ Handling the batteryTouchpad button Using the touchpad„ Function key combinations „ Numeric keypadLearning the basics „ Using memory cards not supplied Inserting a memory cardRemoving a memory card „ Connecting USB devices Enabling Bluetooth communications on your computer „ Connecting a Bluetooth device„ Volume buttons b- d Mute/Unmute Volume down Volume up„ OneKey Rescue system button a Movie mode Normal modeIntelligent mode „ OneKey Theater button eSuper silent mode Standard modeEfficient thermal dissipation mode Performing dust cleaningF g Page „ Using VeriFace „ Using passwords„ Attaching a security lock not supplied AMD Muxless ATI Switchable Graphics Technology PowerXpress Switching between Mode 1 and Mode Switchable Graphics in two modes on select models„ Software configuration Connecting to the Internet„ Hardware connection CableConnecting to the Internet „ Using Wi-Fi/WiMAXEnabling wireless connection Software configuration„ Introduction OneKey Rescue systemOneKey Rescue system „ Creating a recovery discsFrequently asked questions TroubleshootingWhen do I need to restore the system to the factory status? TroubleshootingDisplay problems Password problemKeyboard problems Troubleshooting Sleep or hibernation problems Computer screen problemsSound problems Hard disk drive problem Troubleshooting Battery problemsStartup problem OneKey Rescue system problemsTroubleshooting Other problems Appendix. CRU instructions Handling a hard disk drive Appendix. CRU instructionsAppendix. CRU instructions Appendix. CRU instructions Appendix. CRU instructions Sdram Appendix. CRU instructions Appendix. CRU instructions Removing the optical drive Trademarks Page New World. New Thinking.TM