2 Troubleshooting Procedures
[CONFIDENTIAL]
Satellite L670/L675/ProL670 Series Maintenance Man
ual
2.6 External USB Devices TroubleshootingReplace system board
(Procedure 2)
END
O rig ina l U SB
device is
faulty
Perform external device
and connection check
(Procedure 1)
START
Does the device function
correctly wh en
connected to a different
USB port?
Does an alternative USB
device function correctly?
No
Yes
No
Yes