Ensure the24-pin ATX and8/4-pin CPU power connectors are firmly plugged into the motherboard. If your CPU has onboard video, remove the discrete GPU and display from the motherboard’s video outputs to rule out GPU issues.
MSI MAG B760M Mortar WiFi Gaming Motherboard
MSi MAG B760M MORTAR WIFI II LGA 1700 mATX Intel DDR5 Motherboard
MSI MAG B760M MORTAR WIFI II Motherboard, LGA1700, DDR5, Wi-Fi 6E, Intel B760
MSI MAG B760M Mortar WiFi LGA 1700 DDR5 (Intel 12th & 13th Gen) Motherboard
MSI MAG B760M Mortar WiFi II Intel Motherboard / LGA1700 / Micro ATX / DDR5
MSI MAG B760M MORTAR WIFI II mATX LGA1700 DDR5 Wi-Fi Motherboard
