Toshiba Satellite L500D - Page 79

2TroubleshootingProcedures
 
SatelliteL500D/ProL500DMaintenanceManual 43 
Procedure1 Diagnostictest
RunthefunctioningProgramonWindowsmodelorDOSmodel,whichwilldisplaythetest
result.
IftestsanddiagnosticsresultabnormalgotoProcedure2.Ifanerrorisnotlocated,thebutton
functioningisproperly.

Procedure2 Replacementcheck
DisassemblethecomputerfollowingthestepsdescribedinChapter4,Replacement
Procedures,andperformthefollowingchecks.

Check1 MakesurethatButtontestoperationiscorrect,gotoCheck2.
Check2MakesurethattheFFCofthebuttonisassembleOK,gotoCheck3
Check3 Thebuttonmaybedamaged.Replaceitwithanewonefollowingthe
instructionsinChapter4.
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