Q: macbook air won't auto join wifi network after EFI update

Hi kbnovak,

If you are having issues automatically joining your preferred WiFi networks after a recent firmware update on your MacBook Air, you may find the troubleshooting steps outlined in the following article helpful, in particular the ones under Symptom: After restarting or waking from sleep, my computer might not connect to the Internet:

Wi-Fi: How to troubleshoot Wi-Fi connectivity

http://support.apple.com/kb/HT4628

Regards,

- Brenden

Hi kbnovak,

Thank you for using the Apple Support Community. If you gone through the above linked articles completely without reaching a resolution or a direction for further troubleshooting, you may find more information by using another one of Apple's support resources - https://getsupport.apple.com/GetproductgroupList.action

Regards,

- Brenden