(Ensure the24-pin ATX and8/4-pin CPU power connectors are firmly plugged into the motherboard. 7) Look at motherboard status indicators. Order number and motherboard model. Confirm the monitor and cable work (try another cable/monitor if available).
ASUS Prime Z270-A ATX LGA 1151 DDR4 HDMI DP USB-C - PRIME Z270-A
ASUS PRIME B365M-A LGA-1151 DDR4 8th/9th Gen Intel mATX Motherboard
ASUS Prime Z390-P LGA 1151 Intel Motherboard
ASUS PRIME Z490-V Motherboard Intel Z490 10th gen DDR4 LGA 1200 ATX w/ IO Shield
ASUS PRIME Z490-P Motherboard Intel Z490 LGA 1200 ATX With Original Box
ASUS Prime Z390-P LGA 1151 Intel Z390 SATA 6Gb/s USB 3.1 ATX Intel Motherboard