LenovoDiagnostics
TheLenovoDiagnosticsprogramisusedtodetecthardwareproblemswhenyoucannotstarttheWindows
operatingsystemandallstoragedevicesareunavailable.
ToruntheLenovoDiagnosticsprogram,dothefollowing:
1.Turnoffyourcomputer.
2.TurnonthecomputerandpressF10repeatedlyatstartup.
3.AfteryouentertheLenovoDiagnosticsprogram,selectthediagnostictestyouwanttorun.Then
followtheinstructionsonthescreen.
Note:Iftheprogramreturnsanyerrorcode,calltheLenovoCustomerSupportCenter,andprovideyour
machinetype,modelnumber,andtheerrorcode.Forinformationabouthowtogetyourmachinetypeand
modelnumber,see“Machinetypeandmodellabel”onpage12.Forinformationabouthowtocallthe
LenovoCustomerSupportCenterforservice,see“Callingforservice”onpage74.
Cleaninganopticalmouse
Thissectionprovidesinstructionsonhowtocleananopticalmouse.
Anopticalmouseusesalight-emittingdiode(LED)andanopticalsensortonavigatethepointer.Ifthe
pointeronthescreendoesnotmovesmoothlywiththeopticalmouse,youmightneedtocleanthemouse.
Tocleananopticalmouse,dothefollowing:
1.Turnoffyourcomputer.
2.Disconnectthemousecablefromthecomputer.
3.Turnthemouseupsidedowntocheckthelens.
a.Ifthereisasmudgeonthelens,gentlycleantheareawithaplaincotton-tippedswab.
b.Ifthereisdebrisinthelens,gentlyblowthedebrisawayfromthearea.
4.Checkthesurfaceonwhichyouareusingthemouse.Ifyouhaveaveryintricatepictureorpattern
beneaththemouse,itmaybedifcultforthedigitalsignalprocessor(DSP)todeterminechanges
inthemouseposition.
5.Reconnectthemousecabletothecomputer.
6.T urnyourcomputerbackon.
72ThinkStationUserGuide