Acer AO756 - USB Failure (USB 2.0)

Troubleshooting 4-12
USB Failure (USB 2.0)
If the USB fails, perform the following:
Figure 4:8. USB Failure
Start
Check USB
FFC to USB
Connect
Re-assemble USB
FFC
OK
NG
Check USB/B
Swap USB/B
OK
NG
Swap M/B
Check USB
CONN is well
Replace
USB CONN
OK
NG
OK