Become a MacRumors Supporter for $25/year with no ads, private forums, and more!

Resolved What gives, Apple? Recent EFI messed up my 2011 MacBook Air's WiFi.


macrumors 604
Original poster
Mar 17, 2004
Melenkurion Skyweir
Had zero problems with my MacBook Air's wifi... until the recent EFI update. Now whenever it wakes up from sleep, it won't connect to a known wifi network. I have to explicitly connect, or turn wifi off, then on again.

What gives, Apple?!

Anyone else having this issue?
Last edited:


macrumors newbie
Jul 25, 2014
EFI and wifi issue

Had same problem after EFI wifi connection waking from sleep. did a SMC reset and that fixed it.
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.