Toshiba Satellite L500D Series, Maintenance Manual

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2 Troubleshooting Procedures
Satellite L500D /Pro L500D Maintenance Manual
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2.5 Keyboard Troubleshooting
P e r f o r m e x t e r n a l k e y b o a r d c h e c k
( P r o c e d u r e 1 )
S T A R T
D o e s t h e e x te r n a l
k e y b o a r d f u n c ti o n o k ?
P e rf o r m d ia g n o s t ic c h e c k
( P r o c e d u r e 2 )
W a s a k e y b o a r d
p r o b le m d e t e c t e d ?
P e r f o r m c o n n e c to r a n d
r e p l a c e m e n t c h e c k
( P r o c e d u r e 3 )
R e p l a c e s y s te m b o a r d
E N D
H I
J
K L
K e y b o a r d i s n o t
f a u l ty . C o n tin u e
tr o u b le s h o o ti n g - r e f e r
t o F ig u r e 2 .1
M N
O
K L
Figure 2-4 Keyboard troubleshooting process