![](https://pdfstore-manualsonline.prod.a.ki/pdfasset/d/3a/d3ad2caa-4a3b-4bbd-81fc-277416e08fb0/d3ad2caa-4a3b-4bbd-81fc-277416e08fb0-bg3b.png)
2TroubleshootingProcedures
SatelliteL500D/ProL500DMaintenanceManual
23
Todetermineifthecomputer’sbuilt-inTouchPadisfunctioningproperly,performthe
followingprocedures.Figure2-9outlinestheprocess.StartwithProcedure1andcontinueas
instructed.
Procedure1: TouchPadconnectioncheck
Procedure2: TouchPadreplacementcheck
Procedure1 TouchPadconnectioncheck
TheTouchPadisconnectedviatheTouchPadFPCtothesystemboard.Makesurethe
TouchPadFPCcableisfirmlyconnectedtotheTouchPadandsystemboard.RefertoChapter
4,ReplacementProcedures,forinstructionsonhowtodisassemblethecomputerandthen
performthefollowingchecks.
Ifanyoftheconnectionsareloose,reconnectfirmly.Ifanyoftheconnectionsisdamaged,or
thereisstillanerror,gotoProcedure2.
Procedure2 TouchPadreplacementcheck
TheTouchPadunitorFPCmaybedefectiveordamaged.Replaceeachwithanewone
followingthestepsinChapter4.IftheFDDisstillnotfunctioningproperly,replacethe
systemboardwithanewonefollowingthestepsinChapter4.