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146 Chapter 4
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 antenna to
WL /WiMax card
ok
Check antenna
ok
Check WL/
WiMax card
ok
Check
function /B
Swap M/B
NG
Re-assemble the
antenna to WL /
WiMax card
OK
NG Swap the antenna
OK
Swap WL/WiMax
card
Swap function/B
OK
OK
NG
NG
Start
Check BT cable
well connect
ok
Check BT cable
ok
Check BT
ok
Check
Function/B
Swap M/B
NG
Re-assemble BT
Cable
OK
NG Swap BT cable
OK
Swap BT
Swap Function/B
OK
OK
NG
NG