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4-14 Troubleshooting
WLAN Failure 0
If the WLAN fails, perform the following, one at a time. Do not replace a non-defective FRU:
Figure 4-9. WLAN Failure
Start
No
WLAN device turn on?
Turn on WLAN device
from Acer Ring Device
Control
No
Check WLAN device OK?
Re-install WLAN driver or
Swap WLAN module
Replace M/B
No
Check WLAN antenna well
connect?
No
Re-assemble WLAN
antenna
Check WLAN antenna? No
Swap WLAN antenna
Check W/L device insert well?
Reassemble W/L
device