Sleepandhibernationproblems
Printtheseinstructionsnowandkeepitwithyourcomputerforreferencelater.
Acriticallow-batteryerroroccurs,andthecomputerimmediatelyturnsoff.
Thisindicatesthatthebatterypowerisgettingtoolow.Connecttheacpoweradaptertoyourcomputer
andplugtheotherendoftheacpoweradapterintoanelectricaloutlet.Youalsocansolvetheproblemby
replacingthebatterywithachargedone.
Thecomputerenterssleepmodeimmediatelyafterthepower-onself-test.
Ensurethat:
•Thebatteryischarged.
•Theoperatingtemperatureiswithintheacceptablerange.RefertoChapter7“Preventingproblems”
onpage35
.
Computerscreenproblems
Printtheseinstructionsfirst.
Thescreenisblank.
Thisindicatesthatthebatterypowerisgettingtoolow.Connecttheacpoweradaptertoyourcomputer
andplugtheotherendoftheacpoweradapterintoanelectricaloutlet.Youalsocansolvetheproblemby
replacingthebatterywithachargedone.
Iftheproblempersists,dothefollowing:
•Ifyouareusingtheacpoweradapterorusingthebatterypack,andthebatterystatusindicatorison,
pressFn+F12toincreasethescreenbrightness.
•Ifthepowerindicatorisblinking,pressthepowerbuttontoresumethecomputerfromsleepmode.
•CheckiftheLCDbacklightfeatureisenabled.
•Checkifthedisplaydevicedriverisinstalledcorrectly.
•Checkifthescreenresolutionandcolorqualityarecorrectlyset.
•Checkifthemonitortypeiscorrect.
Thescreenisunreadableordistorted.
Ensurethat:
•Thedisplaydevicedriverisinstalledcorrectly.
•Thescreenresolutionandcolorqualityarecorrectlyset.
•Themonitortypeiscorrect.
Incorrectcharactersaredisplayedonthescreen.
Ensurethattheoperatingsystemandprogramsarecorrectlyinstalledonyourcomputer.Iftheproblem
persists,contactyourlocalServiceProvider.
WhenIturnonthecomputer,nothingisdisplayedonthescreenandthecomputerdoesnotbeep
whilestartingup.
Ensurethat:
•Thebatteryisinstalledcorrectly.
•Theacpoweradapterisconnectedtothecomputerandthepowercordispluggedintoaworking
electricaloutlet.
40UserGuide
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