Operation Manual

2.ClickHardwareandSound➙PowerOptions➙Highperformance.
3.Showtheadditionalplans,thenchooseHighperformance.
•Problem:Thescreenisblank.
Solution:Dothefollowing:
–Pressthedisplay-modeswitchingkeytobringuptheimage.
–Ifyourcomputerisinsleepmode,pressFntoresumefromthesleepmode.
–Iftheproblempersists,followthesolutionforthefollowingproblem.
•Problem:WhenIturnonthecomputer,nothingisdisplayedonthescreenandthecomputerdoesnot
beepwhilestartingup.
Note:Ifyouarenotsurewhetheryouheardanybeeps,turnoffthecomputerbypressingandholdingthe
powerbuttonforfoursecondsormore.Thenturnonthecomputerandlistenagain.
Solution:Ensurethat:
–Theacpoweradapterisconnectedtothecomputerandthepowercordisconnectedtoaworking
electricaloutlet.
–Thecomputeristurnedon.(Pressthepowerbuttonagainforconfirmation.)
–Thebrightnesslevelofthescreenisappropriatelyset.
Ifapower-onpasswordisset,pressanykeytodisplaythepromptforthepower-onpasswordand
thentypethecorrectpasswordandpressEnter.
Iftheseitemsarecorrectlyset,andthescreenremainsblank,havethecomputerserviced.
•Problem:WhenIturnonthecomputer,onlyawhitepointerisdisplayedonablankscreen.
Solution:Ifyouhavemodifiedapartitiononyourharddiskdriveorsolid-statedrivebyusingpartition
software,informationaboutthatpartition,orthemasterbootrecordmighthavebeendestroyed.
Dothefollowingtotrytosolvetheproblem:
1.Turnoffthecomputer,andthenturnitonagain.
2.Ifyoustillseeonlythepointeronthescreen,dothefollowing:
–Ifyouhaveusedthepartitionsoftware,examinethepartitionontheharddiskdriveorsolid-state
drivebyusingthesoftware,andrecoverthepartitionifrequired.
–Usetherecoverysolutionstorestorethesystemtothefactorydefaultstate.
Iftheproblempersists,havethecomputerserviced.
•Problem:Thescreenisunreadableordistorted.
Solution:Makesurethat:
–Thedisplaydevicedriverisinstalledcorrectly.
–Thescreenresolutionandcolorqualityarecorrectlyset.
–Themonitortypeiscorrect.
Tocheckthesesettings,dothefollowing:
1.Right-clickonthedesktopanddothefollowing:
–ForWindows7andWindows8.1:ClickScreenresolution.
–ForWindows10:ClickDisplaysettings.Showthedisplayedwindowinfullscreen.Thenclick
Advanceddisplaysettings.
Chapter7.Troubleshootingproblems85