Toshiba Satellite Pro, Maintenance Manual

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2 Troubleshooting Procedures
SatelliteA660/ProA660 Series Maintenance Manual
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2.6 External USB Devices Troubleshooting
R e p l a c e s y s t e m b o a r d
( P r o c e d u r e 2 )
E N D
O r i g i n a l U S B
d e v i c e i s
f a u l t y
P e r f o r m e x t e r n a l d e v i c e
a n d c o n n e c t i o n 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 d e v i c e f u n c t i o n
c o r r e c t l y w h e n
c o n n e c t e d t o a d i f f e r e n t
U S B p o r t ?
D o e s a n a l t e r n a t i v e U S B
d e v i c e f u n c t i o n c o r r e c t l y ?
N o
Y es
N o
Y e s
Figure 2-5 External USB device troubleshooting process