Limited WiFi connectivity in Windows 8 (Cold booting doesn't work)

[Brandon263]

My WiFi in Windows 8 (I have a MBA 2013) isn't working, even though it wasn't working before. I've trouble troubleshooting the problem and I've also tried shutting down the computer and rebooting, but nothing is working.

Please help!

 

[Brandon263]

Anyone?

 

[DualShock]

I had the same problem on my 2013 MacBook Air, but unfortunately I wasn't able to find a solution. When cold booting into Windows 8, the wifi didn't work. When booting into OS X then rebooting into Windows 8, the wifi worked.

I also noticed another side effect:
Intel VT-x was *disabled* when rebooting into Windows 8, but was *enabled* when cold booting, with the same wifi behavior as I just mentioned. So it's either I have wifi, or slow virtual machines.

Apple did just release an EFI update yesterday, which I haven't tried yet. Maybe that will help?

 

[DualShock]

Someone posted in this thread that the wifi issues were fixed with the EFI update:

https://forums.macrumors.com/threads/1652659/

 

[TPadden]

Someone posted in this thread that the wifi issues were fixed with the EFI update:

https://forums.macrumors.com/threads/1652659/

Strange behavior..... any USB drive connected kicks me off the Network and Wifi won't connect until I disconnect the USB device. Probably a security feature of Windows 8 but I can't figure it out.

Still happens after the EFI update ....