Lenovo V480, V580 Troubleshooting computer problems, Battery and power problems, Battery problems

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Chapter 9. Troubleshooting computer problems

This chapter provides information on what to do if you experience a problem with your computer.

Notice for users in U.S.A

•If your product is not working correctly, DO NOT RETURN IT TO THE STORE.

•For technical assistance, contact a Lenovo support specialist 24 hours a day by calling toll free 1-877-4 LENOVO (1-877-453-6686).

•Additionally, you can find support information and updates on the Lenovo Web site located at http://support.lenovo.com.

Troubleshooting

To make sure that your computer has the features that are introduced in the following sections, consult the online help or the list shipped with your computer.

Battery and power problems

This topic contains instructions on troubleshooting battery and power problems.

Battery problems

Print these instructions now and keep it with your computer for reference later.

The battery pack cannot be fully charged in the standard charge time when the computer is powered off.

The battery pack might be over-discharged. Do the following:

1.Turn off the computer.

2.Make sure that the over-discharged battery pack is in the computer.

3.Connect the ac power adapter to the computer and let it charge.

If a quick charger is available, use it to charge the over-discharged battery pack.

If the battery pack cannot be fully charged in 24 hours, use a new battery pack.

Your computer shuts down before the battery status indicator shows empty, or your computer operates after the battery status indicator shows empty.

Discharge and recharge the battery pack.

The operating time for a fully charged battery pack is short.

Discharge and recharge the battery pack. If your battery operating time is still short, use a new battery pack.

The computer does not operate with a fully charged battery pack.

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

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Contents Lenovo V480, V480c, V580, and V580c User GuideSafety and Warranty Guide Regulatory Notice Contents Appendix C. Notices Protect yourself from the heat that your computer generates Read this firstPrevent your computer from getting wet Protect the cables from being damagedProtect your computer and data when moving it Important safety informationConditions that require immediate action Handle your computer gentlyService and upgrades Safety guidelinesExtension cords and related devices Power cords and power adaptersPlugs and outlets Power supply statementExternal devices Rechargeable battery notice General battery noticeLithium coin cell battery notice Heat and product ventilation CD and DVD drive safety Electrical current safety informationLaser compliance statement Using headphones or earphonesLiquid crystal display LCD notice Additional safety information Xiv User Guide Top view Getting to know your computerPower button Wireless module antennasOneKey Recovery Pro program button Status indicatorsLeft-side view Front view Right-side viewBottom view Status indicators Power and battery status indicator FeaturesLenovo V480 and V480c SpecificationsLenovo V580 and V580c User Guide Frequently asked questions Using your computerConnecting to power Tips on using your computerConfiguring the operating system Putting your computer into sleep mode or shutting it downChecking the battery status Using the ac power adapter and the battery packUsing the ac power adapter Connecting the ac power adapterMaximizing the battery life Charging the batteryHandling the battery Tips on using the ac power adapterUsing the touch pad Using the touch pad or click padUsing the click pad Using the keyboardNumeric keypad V480 and V480cV580 and V580c OneKey Recovery Pro program buttonFunction key combinations Connecting to external devicesUsing USB connectors Using the media card readerUsing Bluetooth Switching the Graphics Processing Unit Using the Nvidia Optimus Graphics featureWired connection Connecting to the networkHardware connection CableWireless connection Software configurationConnecting to the network User Guide You and your computer Accessibility and comfortErgonomic information What if you are traveling? Using a fingerprint reader Using passwordsUsing the Active Protection System SecurityUser Guide Solving recovery problems OneKey Recovery ProUser Guide Replacing devices Replacing the batteryStatic electricity prevention Replacing the backup battery Replacing devices Lenovo V580 and V580c Replacing the hard disk drive Prerequisites for the procedureUser Guide Lenovo V580 and V580c Replacing the keyboard Replacing devices Lenovo V580 and V580c Replacing devices Replacing a memory module Replacing devices Lenovo V580 and V580c Replacing the mSATA solid state drive User Guide Lenovo V480 and V480c Lenovo V580 and V580c Replacing devices Replacing the optical drive Lenovo V580 and V580c User Guide General tips for preventing problems Preventing problemsTaking care of your computer Be careful about where and how you workBe gentle with your computer Carry your computer properlyClean the cover of your computer Take care in setting passwordsHandle storage media and drives properly Data protectionCleaning your computer display Cleaning your computer keyboardRegister your computer Be sure not to modify your computerTroubleshooting Troubleshooting computer problemsBattery and power problems Battery problemsAn ac power adapter problem Computer screen problemsStartup problem Sleep and hibernation problemsHard disk drive problems Problems with drives and other storage devicesPassword problem OneKey Rescue system problemsOptical drive problems Other problems Sound problemYour computer does not respond Computer does not start from a device you wantUser Guide Wireless interoperability Wireless related informationAppendix A. Regulatory information Electronic emission notices Export classification noticeUsage environment and your health Deutschland Industry Canada Class B emission compliance statementUser Guide China Weee statement EU Weee statements Appendix B. Weee and recycling statementsJapan recycling statements Disposing of a Lenovo computer components Recycling information for BrazilBattery recycling information for the European Union User Guide Appendix C. Notices Trademarks Index User Guide