Lenovo Y471A manual Troubleshooting Battery problems, Hard disk drive problem, Startup problem

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Chapter 5. Troubleshooting

Battery problems

Your computer shuts down before	• Discharge and recharge the battery.
the battery status indicator shows
empty.
-or-
Your computer operates after the
battery status indicator shows
empty.

The operating time for a fully charged battery is short.

The computer does not operate with a fully charged battery.

The battery does not charge.

•For details, see “Handling the battery” in Chapter 2.

•The surge protector in the battery might be active. Turn off the computer for one minute to reset the protector; then turn on the computer again.

•For details, see “Handling the battery” in Chapter 2.

A hard disk drive problem

The hard disk drive does not work.	• In the Boot menu in BIOS setup utility, make sure that the hard disk
	drive is included in the Boot Device Priority correctly.

A startup problem

The Microsoft® Windows operating	• Use the OneKey Rescue system to help solve or identify your
system does not start.	problem. For details about OneKey Rescue system, see “Chapter 4.
	OneKey Rescue system” on page 26.

OneKey Rescue system problems

Backup cannot be made.	• You are not currently using a Windows operating system.
	• There is not enough space to store the backed up data. You will need
	to free more hard disk space on your system partition (C drive).
Fail to restore system partition to	• The system partition, such as the partition size or the drive capacity
factory default.	of C, has been modified.

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Contents IdeaPad Y471A Regulatory Notice First Edition May Copyright Lenovo Contents Page Getting to know your computer Top viewWireless module Power buttonIndicators Volume buttons Getting to know your computerRJ-45 port USB portMicrophone jack Headphone jackAC power adapter USB combo port Optical driveJack Kensington slot System status Battery pack Battery latch manual Bottom view„ Connecting to the power „ Configuring the operating systemLearning the basics „ Reading the manualsLearning the basics Putting your computer into sleep stateShutting down your computer „ Checking battery status „ Charging the battery„ Removing the battery pack „ Handling the batteryUsing the touchpad Touchpad button„ Numeric keypad „ Function key combinationsLearning the basics „ Using memory cards not supplied Inserting a memory cardRemoving a memory card „ Connecting USB devices „ Connecting a Bluetooth device Enabling Bluetooth communications on your computer„ Volume buttons b- d Mute/Unmute Volume down Volume up„ OneKey Rescue system button a Normal mode Movie modeIntelligent mode „ OneKey Theater button eStandard mode Super silent 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 Switchable Graphics in two modes on select models Switching between Mode 1 and ModeConnecting to the Internet „ Software configuration„ Hardware connection Cable„ Using Wi-Fi/WiMAX Connecting to the InternetEnabling wireless connection Software configurationOneKey Rescue system „ Introduction„ Creating a recovery discs OneKey Rescue systemTroubleshooting Frequently asked questionsTroubleshooting When do I need to restore the system to the factory status?Display problems Password problemKeyboard problems Troubleshooting Sleep or hibernation problems Computer screen problemsSound problems Troubleshooting Battery problems Hard disk drive problemStartup problem OneKey Rescue system problemsTroubleshooting Other problems Appendix. CRU instructions Appendix. CRU instructions Handling a hard disk driveAppendix. 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