Personal Computer User Manual

6.Removethediagnosticdiscfromtheopticaldriveaftercompletingthediagnostictest.
Cleaninganopticalmouse
Thissectionprovidesinstructionsonhowtocleananopticalmouse.
AnopticalmouseusesaLEDandanopticalsensortonavigatethepointer.Ifthepointeronthescreendoes
notmovesmoothlywiththeopticalmouse,youmightneedtocleanthemouse.
Tocleananopticalmouse,dothefollowing:
1.Turnoffyourcomputer.
2.Disconnectthemousecablefromthecomputer.
3.Turnthemouseupsidedowntoviewthelens.
a.Ifthereisasmudgeonthelens,gentlycleantheareawithaplaincotton-tippedswab.
b.Ifthereisdebrisinthelens,gentlyblowthedebrisawayfromthearea.
4.Checkthesurfaceonwhichyouareusingthemouse.Ifyouhaveaveryintricatepictureorpattern
beneaththemouse,itmaybedifcultforthedigitalsignalprocessor(DSP)todeterminechanges
inthemouseposition.
5.Reconnectthemousecabletothecomputer.
6.Turnyourcomputerbackon.
74ThinkCentreUserGuide