Usb Failure - Acer Aspire 4738 Service Manual

USB Failure

If the internal USB module fails, perform the following actions one at a time to correct the problem. Do not
replace a non-defective FRU:
124
Start
Check USB/B to
M/B cable
OK
Check USB/B
OK
Swap M/B
NG
Re-assemble the
USB/B cable to M/B
Swap USB/B and
NG
USB cable
Chapter 4