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2 Troubleshooting Procedures
Satellite A350D/A355D, SATEGO A350D, EQUIUM A350D Series Maintenance Manual
22
Replace system board
(Procedure 2)
END
Original USB
device is faulty
Perform external device and
connection check
(Procedure 1)
START
Does the device function
when connected to a
different USB port?
Does an alternative USB
device function correctly?
No
Yes
No
Check USB
port
connection
Yes
Figure 2-5 External USB device troubleshooting process