External Usb Devices Troubleshooting; Figure 2-5 External Usb Device Troubleshooting Process - Toshiba Satellite L670 Series Maintenance Manual

2 Troubleshooting Procedures
2.6

External USB Devices Troubleshooting

Y e s
[CONFIDENTIAL]
ual
S T A R T
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 )
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
U S B p o r t ?
N o
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
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

Figure 2-5 External USB device troubleshooting process

Satellite L670/L675/ProL670 Series Maintenance Man
t o a d i f f e r e n t
Y e s
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