Answer

Please try the following:
1. Try to update to the latest BIOS.
2. Make sure the WIFI module is attached firmly.
3. Try to perform a CMOS reset.
4. Remove motherboard 24-pin power for 15 seconds and plug it back in.

Models

MAG B760M MORTAR WIFI DDR4, MPG B760I EDGE WIFI DDR4, MEG Z790 GODLIKE MAX, PRO Z790-P WIFI, MEG Z790 GODLIKE, MPG Z790 CARBON WIFI, MPG Z790 EDGE WIFI, PRO B760-VC WIFI, MEG Z790 ACE MAX, PRO Z790-A WIFI, PRO Z790-VC WIFI, MPG Z790 EDGE WIFI DDR4, PRO B760-P WIFI, Z790 GAMING PRO WIFI, B760M GAMING PLUS WIFI, MPG Z790 EDGE TI MAX WIFI, PRO B760-VC WIFI II, PRO Z790-S WIFI, MPG B760M EDGE TI WIFI, MAG B760 TOMAHAWK WIFI DDR4, MAG B760M MORTAR WIFI II, MAG B760 TOMAHAWK WIFI, PRO B760M-A WIFI, MAG B760M MORTAR MAX WIFI, MAG Z790 TOMAHAWK WIFI DDR4, MPG B760I EDGE WIFI, MPG Z790 CARBON MAX WIFI, MEG Z790 ACE, Z790 GAMING PLUS WIFI, B760M GAMING WIFI, MAG B760M MORTAR WIFI, PRO Z790-A MAX WIFI, MAG Z790 TOMAHAWK MAX WIFI, MPG Z790I EDGE WIFI, PRO Z790-P WIFI DDR4, MAG Z790 TOMAHAWK WIFI, B760 GAMING PLUS WIFI, MAG B760M MORTAR MAX WIFI DDR4, Z790 GAMING WIFI, PRO Z790-A WIFI DDR4