2TroubleshootingProcedures
 
SatelliteL550/SatelliteL555/SatelliteL557/SatelliteProL550
22
2.7TouchPadTroubleshooting
START
END
TouchPadconnection
check(Procedure1)
TouchPadreplacement
check(Procedure2)
Replacesystemboard
Figure2-6Touchpadtroubleshootingprocess