Acer Aspire 4339 - USB Failure

4-14 Troubleshooting
USB Failure 0
If the USB fails, perform the following:
Figure 4-8. USB Failure
Start
Check USB/B to
M/B cable
Re-assemble the
USB/B cable to M/B
OK
NG
Check USB/B
OK
Swap USB/B and
USB cable
OK
NG
Swap M/B