Troubleshooting Battery problems, Startup problem | Lenovo Y471A

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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Lenovo Y471A Troubleshooting Battery problems, Hard disk drive problem, Startup problem, OneKey Rescue system problems

Contents

IdeaPad Y471A Regulatory Notice First Edition May Copyright Lenovo Contents Page Getting to know your computer Top view Wireless module Power buttonIndicators Volume buttons Getting to know your computer RJ-45 port USB portMicrophone jack Headphone jack AC 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 manuals Learning the basics Putting your computer into sleep stateShutting down your computer „ Checking battery status „ Charging the battery„ Removing the battery pack „ Handling the battery Using the touchpad Touchpad button „ Numeric keypad „ Function key combinations Learning 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 e Standard mode Super silent modeEfficient thermal dissipation mode Performing dust cleaning F 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 Mode Connecting to the Internet „ Software configuration„ Hardware connection Cable „ Using Wi-Fi/WiMAX Connecting to the InternetEnabling wireless connection Software configuration OneKey Rescue system „ Introduction „ Creating a recovery discs OneKey Rescue system Troubleshooting Frequently asked questions Troubleshooting 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 problems Troubleshooting Other problems Appendix. CRU instructions Appendix. CRU instructions Handling a hard disk drive Appendix. 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