External Usb Devices Troubleshooting - Toshiba Qosmio F50 Maintenance Manual

2 Troubleshooting Procedures

2.6 External USB Devices Troubleshooting

C h e c k U S B
p o r t
c o n n e c tio n
Figure 2-5 External USB device troubleshooting process
QOSMIO F50- QOSMIO F55- DYNABOOK QOSMIO F50 Series Maintenance Manual
S T A R T
P e rf o rm e x te r n a l d e v ic e a n d
c o n n e c tio n c h e c k
( P ro c e d u r e 1 )
D o e s th e d e v ic e f u n c tio n
w h e n c o n n e c te d to a
d if f e re n t U S B p o rt?
D o e s a n a lte r n a tiv e U S B
d e v ic e f u n c tio n c o r r e c tly ?
R e p la c e s y s te m b o a r d
( P ro c e d u r e 2 )
E N D
19
O r ig in a l U S B
d e v ic e is f a u lty