Question: How do I get WiFi function work after my system resumes from sleep mode on X299 platform?(12/1/2017) Answer: Please follow the steps below to set up your system.
Step1. Please install the WiFi utility driver v19. 60.00 from the link below.
Step2. Please enter BIOS setup and set "WAN Radio” to [Enabled]. Then please press [F10] to save the setting.
(Path: BIOS > Advanced > Chipset Configuration > WAN Radio)
After applying the setting as above, the WiFi function can work properly.