Lenovo ThinkCentre A85 - Cleaning an Optical Mouse

Tocreateadiagnosticdisc,dothefollowing:
1.Downloadaself-startingbootablediscimage(knownasanISOimage)ofthediagnosticprogramfrom:
http://www.lenovo.com/support
2.UseanydiscburningsoftwaretocreateadiagnosticdiscwiththeISOimage.
Runningthediagnosticprogramfromthediagnosticdisc
Thissectionprovidesinstructionsonhowtorunthediagnosticprogramfromthediagnosticdiscthat
youcreated.
Torunthediagnosticprogramfromthediagnosticdiscthatyoucreated,dothefollowing:
1.Makesureyourcomputeristurnedoff.
2.RepeatedlypressandreleasetheF12keywhenturningonthecomputer.WhentheStartupDevice
Menuopens,releasetheF12key.
3.Insertthediagnosticdiscintotheopticaldrive.
4.SelecttheopticaldrivewiththediagnosticdiscasthestartupdeviceandpressEnter.Thediagnostic
programopens.
5.Followtheinstructionsonthescreentorunthedesireddiagnostictest.Foradditionalhelp,press
theF1key.
6.Removethediagnosticdiscfromtheopticaldriveaftercompletingthediagnostictest.
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.Turnyourcomputerbackon.
Chapter6.Troubleshootinganddiagnosticprograms59