•Message:EMM386NotInstalled-UnabletoSetPageFrameBaseAddress.
Solution:EditC:\CONFIG.SYSandchangealinefromdevice=C:\WINDOWS\EMM386.EXERAMtodevice=
C:\WINDOWS\EMM386.EXENOEMSandsavethisle.
•Message:Thermalsensingerror
Solution:Thethermalsensorisnotfunctioningcorr ectly.Havethecomputerserviced.
•Message:Systemmemoryhasbeenremoved.
Solution:Systemmemoryhasbeenremoved.PressEsctonormalboot.
Errorswithoutmessages
•Problem:MyscreenkeepsblankingwhenIdonotwantitto.
Solution:Youcandisableanysystemtimers,suchastheLCDturn-offtimerortheblanktimer
1.S tartPowerManager.
2.ClickthePowerplantab(inWindowsXP,Powerscheme),andthenselectMaximumPerformance
fromthepredenedpowerplans(inWindowsXP,Powerscheme).
•Problem:WhenIturnonthemachine,nothingisdisplayedonthescreenandthemachinedoesnot
beepwhilestartingup.
Note:Ifyouarenotsurewhetheryouheardanybeeps,turnoffthecomputerbypressingandholding
thepowerswitchfor4secondsormore.T urnitonandlistenagain.
Solution:Makesurethat:
–Thebatteryisinstalledcorrectly.
–Theacpoweradapterisconnectedtothecomputerandthepowercordispluggedintoaworking
electricaloutlet.
–Thecomputeristurnedon.(Turnthepowerswitchonagainforconrmation.)
Ifapower-onpasswordisset:
–Pressanykeytodisplaythepromptforthepower-onpassword.Ifthebrightnesslevelofthescreenis
low,increaseitbypressingtheFn+Home.
–TypethecorrectpasswordandpressEnter(refertoP ower-onpassword).
Iftheseitemsareproperlyset,andthescreenr emainsblank,havethecomputerserviced.
•Problem:WhenIturnonthemachine,onlyawhitecursorisdisplayedonablankscreen.
Solution:Ifyouhavemodiedapartitiononyourharddiskdriveorsolidstatedrivebyusingpartition
software,informationaboutthatpartition,orthemasterbootr ecordmighthavebeendestroyed.
1.T urnoffthecomputer,andthenturnitonagain.
2.Ifyoustillseeonlythecursoronthescreen,dothefollowing:
–Ifyouhaveusedthepartitionsoftwar e,examinethepartitiononthehar ddiskdriveorsolidstate
drivebyusingthesoftware,andrecoverthepartitionifrequired.
–UseeithertheRescueandRecoveryworkspaceortherecoverydiscstorestorethesystemto
thefactorystate.Fordetailsaboutrestoringthesystemtothefactorystate,see“Creatingand
usingrecoverymedia”onpage63.
Iftheproblempersists,havethecomputerserviced.
•Problem:Myscreengoesblankwhilethecomputerison.
Chapter10.Troubleshootingcomputerproblems131