Operation Manual

Computerscreenproblems
•Problem:MyscreenkeepsblankingwhenIdonotwantitto.
Solution:Dothefollowing:
1.GotoControlPanel,andensurethatyouviewControlPanelbyCategory.
2.ClickHardwareandSound➙PowerOptions.
3.Showtheadditionalplans,andthenselectHighperformance.
•Problem:WhenIturnonthecomputer,nothingisdisplayedonthescreenandthecomputerdoesnot
beepwhilestartingup.
Note:Ifyouarenotsurewhetheryouheardanybeeps,turnoffthecomputerbypressingandholdingthe
powerbuttonforfoursecondsormore.Thenturnonthecomputerandlistenagain.
Solution:Ensurethat:
–Thebatteryisinstalledcorrectly.
–Theacpoweradapterisconnectedtothecomputerandthepowercordispluggedintoaworking
electricaloutlet.
–Thecomputeristurnedon.(Pressthepowerbuttonagainforconfirmation.)
–Thebrightnesslevelofthescreenisappropriatelyset.
Ifapower-onpasswordisset,pressanykeytodisplaythepromptforthepower-onpasswordand
thentypethecorrectpasswordandpressEnter.
Iftheseitemsarecorrectlyset,andthescreenremainsblank,havethecomputerserviced.
•Problem:WhenIturnonthecomputer,onlyawhitecursorisdisplayedonablankscreen.
Solution:Ifyouhavemodifiedapartitiononyourharddiskdrivebyusingpartitionsoftware,information
aboutthatpartition,orthemasterbootrecordmighthavebeendestroyed.
Dothefollowingtotrytosolvetheproblem:
1.Turnoffthecomputer,andthenturnitonagain.
2.Ifyoustillseeonlythecursoronthescreen,dothefollowing:
–Ifyouhaveusedpartitionsoftware,examinethepartitionontheharddiskdrivebyusingthe
software,andrecoverthepartitionifrequired.
–Usetherecoverysolutionstorestorethesystemtothefactorydefaultstate.Formoreinformation,
seeChapter9“Recoveryinformation”onpage103.
Iftheproblempersists,havethecomputerserviced.
•Problem:Thescreengoesblankwhilethecomputerison.
Solution:Yourscreensaverorpowermanagementmighthavebeenenabled.Dooneofthefollowing:
–TouchtheTrackPointpointingdeviceorthetrackpad,orpressakeytoexitthescreensaver.
–Pressthepowerbuttontoresumethecomputerfromsleeporhibernationmode.
•Problem:Thescreenisblank.
Solution:Dothefollowing:
1.Pressthedisplay-modeswitchingkeytobringuptheimage.
2.Ifyouareusingtheacpoweradapter,orusingthebatteryandthebatterygaugeshowsthatthe
batteryisnotdepleted,pressthebrightness-upkeytomakethescreenbrighter.
3.Ifyourcomputerisinsleepmode,pressFntoresumethecomputerfromsleepmode.
4.Iftheproblempersists,followthesolutionforthefollowingproblem.
Chapter8.Troubleshootingcomputerproblems93