External Usb Devices Troubleshooting - Toshiba NB250 Maintenance Manual

2 Troubleshooting Procedures

2.5 External USB Devices Troubleshooting

NB250/NB255 Series Maintenance Manual
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P e r f o r m 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
C h e c k U S B D o e s th e d e v ic e f u n c tio n
Y e s
p o r t w h e n c o n n e c te d to a
c o n n e c tio n d if f e r e n t U S B p o r t?
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
Figure 2-5 External USB device troubleshooting process
S T A R T
( P r o c e d u r e 1 )
N o
Y e s
N o
( P r o 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