User Guide Lenovo E40-xx Notebook

Chapter8.Troubleshootingcomputerproblems

Thischapterprovidesinformationonwhattodoifyouexperienceaproblemwithyourcomputer.

Troubleshooting

Tomakesurethatyourcomputerhasthefeaturesthatareintroducedinthefollowingsections,consultthe

onlinehelporthelistshippedwithyourcomputer.

Batteryandpowerproblems

Thistopicprovidesinstructionsontroubleshootingbatteryandpowerproblems.

Printtheseinstructionsﬁrst.

Thecomputerturnsoffbeforethebatterystatusindicatorshowsempty,orthecomputeroperates

afterthebatterystatusindicatorshowsempty.

ResetthebatterygaugeusingLenovoEnergyManagement.Iftheproblempersists,replacewithanew

batterypack.

Theoperatingtimeofafullychargedbatterypackisshort.

Dischargeandrechargethebatterypack.Iftheproblempersists,useanewbatterypack.

Thecomputerdoesnotoperatewithafullychargedbatterypack.

Thesurgeprotectorinthebatterypackmightbeactive.Turnoffthecomputerforoneminutetodisablethe

surgeprotector;thenturnonthecomputeragain.

Thebatterypackcannotbecharged.

Youcannotchargethebatterywhenitistoohot.Ifthebatteryishot,removeitfromthecomputerandletit

cooltoroomtemperature.Afteritcools,reinstallitandrechargethebatterypack.Iftheproblempersists,

contactyourlocalCustomerSupportCenter.

Theacpoweradapterisconnectedtoboththecomputerandtheworkingelectricaloutlet,buttheac

poweradaptericonisnotdisplayedintheWindowsnotiﬁcationarea,andtheacpowerindicator

doesnotlightup.

Dothefollowing:

1.Turnoffthecomputer,andthendisconnecttheacpoweradapterandremovethemainbatterypack.

2.Reinstallthebatteryandreconnecttheacpoweradapter,thenturnonthecomputer.Ensurethattheac

poweradapteriscorrectlyandsecurelyconnected.

3.Turnonthecomputer.

Iftheproblempersists,contactyourlocalCustomerSupportCenter.

Astartupproblem

Printtheseinstructionsnowandkeepitwithyourcomputerforreferencelater.

TheMicrosoftWindowsoperatingsystemdoesnotstart.

Usetherecoveryprogramprovidedonyourcomputertoidentifyandtroubleshoottheproblem.Fordetails,

refertoChapter5“LenovoOneKeyRecoverysystem”onpage21.