Acer ASPIRE 533 - USB Port Failure; Wireless Function Failure

128 Chapter 4
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:
Start
Check IO/B
to M/B
CONN
Re-assemble
the IO/B
CONN to M/B
OK
NG
Check IO/B
OK
Swap IO/B
OK
NG
Swap M/B
Start
Check WL
antenna to WL
card
Re-assemble
the antenna to
WL card
OK
NG
Check
antenna
OK
Swap The
antenna
OK
NG
Swap M/B
Check WL
card
OK
Swap the WL
card
OK
NG