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2TroubleshootingProcedures
SatelliteL500D/ProL500DMaintenanceManual
23
Todetermineifthecomputer’sbuilt-inTouchPadisfunctioningproperly,performthe
followingprocedures.Figure2-9outlinestheprocess.StartwithProcedure1andcontinueas
instructed.
Procedure1: TouchPadconnectioncheck
Procedure2: TouchPadreplacementcheck
Procedure1 TouchPadconnectioncheck
TheTouchPadisconnectedviatheTouchPadFPCtothesystemboard.Makesurethe
TouchPadFPCcableisfirmlyconnectedtotheTouchPadandsystemboard.RefertoChapter
4,ReplacementProcedures,forinstructionsonhowtodisassemblethecomputerandthen
performthefollowingchecks.
Ifanyoftheconnectionsareloose,reconnectfirmly.Ifanyoftheconnectionsisdamaged,or
thereisstillanerror,gotoProcedure2.
Procedure2 TouchPadreplacementcheck
TheTouchPadunitorFPCmaybedefectiveordamaged.Replaceeachwithanewone
followingthestepsinChapter4.IftheFDDisstillnotfunctioningproperly,replacethe
systemboardwithanewonefollowingthestepsinChapter4.