2TroubleshootingProcedures
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SatelliteL500D/ProL500DMaintenanceManual
17
2.5 KeyboardTroubleshooting
Per f o r m  e x te r n a l k e y b o a r d c h eck
(Pr o c e d u r e 1 )
ST A R T
Do e s t h e e x t e rn al
key b o a r d f u n c t io n  o k ?
Per f o r m  d ia g n o stic  c h e c k
(Pr o c e d u r e  2 )
Wa s  a  k e y b o a r d
pro b l e m de t e c t e d ?
Per f o rm co n n e c t o r a n d
rep l a ce m en t c h e c k
(Pr o c e d u r e  3 )
Re p la c e  sy ste m  b o a r d
EN D
Ke y b o a rd  i s n o t
fau lt y . C o n tin u e
tro u b le s h o o t in g - r ef e r
toF igu r e 2 . 1

Figure2-4Keyboardtroubleshootingprocess