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2 Troubleshooting Procedures
[CONFIDENTIAL]
Satellite L670/L675/ProL670 Series Maintenance Man
ual
2.6 External USB Devices Troubleshooting
Replace system board
(Procedure 2)
END
O riginal U SB
device is
faulty
Perform external device
and connection check
(Procedure 1)
START
D oes the device function
correctly w hen
connected to a different
USB port?
D oes an alternative U SB
device function correctly?
No
Yes
No
Yes
Figure 2-5 External USB device troubleshooting process