Keyboardproblems
•Problem:Allorsomekeysonthekeyboarddonotwork.
Solution:Ifanexternalnumerickeypadisconnected:
1.Turnoffthecomputer.
2.Removetheexternalnumerickeypad.
3.Turnonthecomputerandtryusingthekeyboardagain.
Ifthekeyboardproblemisresolved,carefullyreconnecttheexternalnumerickeypad.
Iftheproblempersists,ensurethatthecorrectdevicedriverisinstalledbydoingthefollowing:
1.GotoControlPanel,andthenchangetheviewofControlPanelfromCategorytoLargeiconsor
Smallicons.
2.ClickKeyboard.
3.SelecttheHardwaretab.IntheDevicePropertiespane,makesurethatyouseethismessage:
DeviceStatus:Thisdeviceisworkingproperly.
Ifkeysonthekeyboardstilldonotwork,havethecomputerserviced.
•Problem:Allorsomekeysontheexternalnumerickeypaddonotwork.
Solution:Ensurethattheexternalnumerickeypadiscorrectlyconnectedtothecomputer.
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:
–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:
82Yoga370UserGuide
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