Toshiba PROL550 Laptop User Manual


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2TroubleshootingProcedures
SatelliteL550/SatelliteL555/SatelliteL557/SatelliteProL550
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Figure2.16.Buttontroubleshootingprocess
ThesmallboardofbuttonortheFFCassemblesmaybethereasonofbuttonfunctionfault.
Eitherofthesetwomaybedamaged.Todetermineifthecomputer’sbuttonisfunctioning
properly,performthefollowingprocedures.Figure2-16outlinestheprocess.Startwith
Procedure1andcontinuewiththeotherproceduresasinstructed.
Procedure1: Diagnostictest
Procedure2: Replacementcheck
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