Usb Failure; Wireless Function Failure - Acer Aspire One D255 Series Service Manual

USB Failure

If the USB fails, perform the following actions one at a time to correct the problem. Do not replace a non-
defective FRU:

Wireless Function Failure

If the WLAN fails, perform the following actions one at a time to correct the problem. Do not replace a non-
defective FRUs:
134
Start
OK
Check USB
NG
connector
surface
OK
Swap M/B
Start
OK
Check WL
NG
antenna to WL
card
OK
OK
Check
NG
antenna
OK
OK
Check WL
NG
card
Swap M/B
Swap M/B
Re-assemble
the antenna to
WL card
Swap The
antenna
Swap the WL
card
Chapter 4