Personal Computer User Manual

2 Troubleshooting Procedures

2.6 External USB Devices Troubleshooting

Replace system board

(Procedure 2)

END

Original U SB

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?

Yes

Check USB port

connection

Yes

Figure 2-5 External USB device troubleshooting process

Satellite A130/A135 /Satellite Pro A130 Series Maintenance Manual

[CONFIDENTIAL]