user manual

2 Troubleshooting Procedures
SatelliteA660/ProA660 Series Maintenance Manual
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2.4 Display Troubleshooting
P e rfo r m e x te r n a l d is p la y c h e c k
(P r o c e d u r e 1 )
S T A R T
D o e s th e e x te rn a l
d is p la y fu n c tio n o k ?
P e rfo r m d ia g n o s tic c h e c k
(P r o c e d u r e 2 )
W a s a d is p la y
p ro b le m d e te c te d ?
P e r fo r m c o n n e c to r a n d
re p la c e m e n t c h e c k
(P r o c e d u r e 3 )
R e p la c e s y s te m b o a rd
E N D
D is p la y is n o t
fa u lty . C o n tin u e
tro u b le s h o o tin g -
re f e r to F ig u r e 2 -1
Figure 2-3 Display troubleshooting process