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:

Start

Check USB

connector

surface

OK

NG

Swap M/B

OK

Swap M/B

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

OK

Check WL

antenna to WL card

OK

Check

antenna

OK

Check WL

card

 

 

 

 

 

Re-assemble

 

 

 

 

 

 

the antenna to

 

 

NG

 

 

 

 

 

 

 

 

WL card

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Swap The

 

 

NG

 

 

 

antenna

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Swap the WL

 

 

NG

 

 

 

card

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Swap M/B

134

Chapter 4

Page 144
Image 144
Acer D255 manual USB Failure, Wireless Function Failure