Replacement airport card (BCM94331PCIEBT4CAX) will not turn ON
The Airport card in my Macbook has become intermittent so I ordered and fitted a replacement, BCM94331PCIEBT4CAX.
When the MacBook powers up the WiFi status indicates WiFi is OFF, attempting to turn it on silently fails.
System Report -> Network -> WiFi lists the Airport card, with status OFF.
The only difference between the listings for original and replacement Airport cards are :
Locale FCC (orig) / RoW (replacement)
Country Code XO (orig) / GB (replacement)
My MacBook was purchased in the US, the replacement AirPort card was bought in the UK, where I'm located.
The wifi log file shows the following :-
Sun Jan 29 00:08:18.203 <kernel> AirPort_Brcm43xx::platformWoWEnable: WWEN[disable]
Sun Jan 29 00:08:46.363 <kernel> wl0: powerChange: *** BONJOUR/MDNS OFFLOADS ARE NOT RUNNING.
Sun Jan 29 17:12:19.996 Starting Up
Sun Jan 29 17:12:21.084 <kernel> Unable to create IO80211InterfaceMonitor
Sun Jan 29 17:12:21.084 <kernel> Unable to create IO80211InterfaceMonitor
Sun Jan 29 17:12:21.084 <airportd[69]> airportdProcessDLILEvent: en1 attached (up)
Sun Jan 29 17:12:21.092 <kernel> Setting BTCoex Profile: band:8
Sun Jan 29 17:12:21.092 <kernel> Profile[0]: mode:7; desense:0; desense_level:0; chain_power_offset:<kernel> 0,<kernel> 0,<kernel> 0,<kernel> 0,<kernel>
Sun Jan 29 17:12:21.092 <kernel> Profile[1]: mode:7; desense:0; desense_level:0; chain_power_offset:<kernel> 0,<kernel> 0,<kernel> 0,<kernel> 0,<kernel>
Sun Jan 29 17:12:21.092 <kernel> Profile[2]: mode:7; desense:0; desense_level:0; chain_power_offset:<kernel> 0,<kernel> 0,<kernel> 0,<kernel> 0,<kernel>
Sun Jan 29 17:12:21.092 <kernel> Setting BTCoex Profile: band:2
Sun Jan 29 17:12:21.093 <kernel> Profile[0]: mode:0; desense:0; desense_level:0; chain_power_offset:<kernel> 0,<kernel> 0,<kernel> 0,<kernel> 0,<kernel>
Sun Jan 29 17:12:21.093 <kernel> Setting BTCoex Config: enable_2G:1, profile_2g:0, enable_5G:1, profile_5G:0
Sun Jan 29 17:12:21.205 <airportd[69]> _bsd_80211_event_callback: Failed to get power setting from device : err -3900
I checked and recheck installation and eventually refitted original AirPort card, which worked, but only for a while as it's become intermittent.
I'd appreciate and insight into how I can fix this issue.
Thanks.
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