1.Makesurethattheconnectionoftheacpoweradapteriscorrect.Forinstructionsonconnectingtheac
poweradapter,seeSafety,Warranty,andSetupGuidethatcomeswithyourcomputer.
2.Iftheconnectionoftheacpoweradapteriscorrect,turnoffthecomputer,thendisconnecttheacpower
adapterandremovethemainbattery.
3.Reinstallthebatteryandreconnecttheacpoweradapter,thenturnonthecomputer.
Ifthepoweradaptericonstillisnotdisplayedonthetaskbarandtheacpowerindicatordoesnotlightup,
havetheacpoweradapterandyourcomputerserviced.
Astartupproblem
Printtheseinstructionsnowandkeepthemwithyourcomputerforreferencelater.
TheMicrosoftWindowsoperatingsystemdoesnotstart.
OntheWindowsoperatingsystem,usetherecoveryprogrampreinstalledonyourcomputertohelpsolveor
identifyyourproblem.Fordetails,refertotheinstructionsinChapter6“Recoveryoverview”onpage35
Sleepandhibernationproblems
Thecriticallow-batteryerrormessageappears,andthecomputerimmediatelyturnsoff.
Thebatterypowerisgettinglow.Connecttheacpoweradaptertothecomputerandplugitintoanelectrical
outlet,orreplacethebatterywithachargedone.
ThecomputerenterssleepmodeimmediatelyafterPower-onself-test(POST)
Makesurethat:
•Thebatteryischarged.
•Theoperatingtemperatureiswithintheacceptablerange.refertoChapter7“Preventingproblems”
onpage39
.
Computerscreenproblems
Printtheseinstructionsnowandkeepitwithyourcomputerforreferencelater.
Thescreenisblank.
Doanyofthefollowing:
•Ifyouareusingtheacpoweradapterorusingthebattery,andthebatterystatusindicatorison,press
Fn+uparrowtoincreasethescreenbrightness.
•Ifthepowerindicatorisinblinking,pressthepowerbuttontoresumefromthesleepmode.
•PressFn+F2toconrmwhethertheLCDscreenhasbeenturnedoff.
Iftheproblempersists,followthesolutionto“Thescreenisunreadableordistorted.”onpage44.
Thescreenisunreadableordistorted.
Makesurethat:
•Thedisplaydevicedriverisinstalledcorrectly.
•Thescreenresolutionandcolorqualityarecorrectlyset.
•Themonitortypeiscorrect.
44UserGuide
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