Usb3.0&Usb2.0 Troubleshooting - Toshiba Satellite U900 Maintenance Manual

Troubleshooting Procedures
2.16 USB3.0&USB2.0 Troubleshooting
N o
W a s a n U S B 3 .0 & U S B 2 .0 p r o b l e m d e t e c t e d ?
Satellite U900/U940/U945 Series Maintenance Manual
S T A R T
P e r f o r m U S B 3 .0 & USB2 . 0 d e v i c e c h e c k
( P r o c e d u r e 1 )
I s U S B 3 .0 t r a n s m i s s i o n o k ?
Y e s
P e r f o r m d i a g n o s t i c c h e c k
( P r o c e d u r e 2 )
Y e s
P e r f o r m c o n n e c t i o n a n d r e p l a c e m e n t c h e c k
( P r o c e d u r e 3 )
R e p l a c e s y s t e m b o a r d
E N D
Figure 2-15 USB3.0 troubleshooting process
U S B 3 .0 & U S B 2 .0 p o r t
a n d t r a n s m i s s i o n a r e
N o n o t f a u l t y . C o n t i n u e
t r o u b l e s h o o t i n g - r e f e r
t o F i g u r e 2 .1
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