2 Troubleshooting Procedures
2.5Keyboard Troubleshooting
S T A R T
P e rfo rm e x te rn a l k e y b o a rd c h e c k
(P ro c e d u re 1 )
D o e s th e ex tern al
k e y b o a rd fu n c tio n o k ?
Y es
P e rfo rm d ia g n o stic c h e c k
(P ro c e d u re 2 )
N o
Wa s a k e y b o a rd p ro b le m d e te c te d ?
Y es
P e rfo rm c o n n e c to r a n d
rep lac em en t ch e ck (P ro c e d u re 3 )
R ep lac e sy stem b o ard
E N D
N o 
K e y b o a rd is n o t fa u lty . C o n tin u e
tro u b le sh o o tin g
to F ig u re 2 .1
Satellite A350D/A355D, SATEGO A350D, EQUIUM A350D Series Maintenance Manual
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