Usb Failure (Usb2.0/3.0) - Acer A315-53G Service Manual

USB Failure (USB2.0/3.0)

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