Question Asus tuf 4080 super OC Edition not displaying

[Luke_134]

Hello,
I've just build my gaming PC specs below. After replacing the motherboard with a new one, it didn't power at all. My GPU is getting power and lighting up, however, is not displaying any image or appearing in the device management or bios. Why would this be happening, any suggestions on how to fix it?

I have update the bios and rolled back a version on the bios.

Specs:
CPU: AMD Ryzen 7 7800X3D 4.2 GHz 8-Core Processor
CPU Cooler: NZXT Kraken 240 78.02 CFM Liquid CPU Cooler
Motherboard: MSI B650 GAMING PLUS WIFI ATX AM5 Motherboard
Memory: Corsair Vengeance 32 GB (2 x 16 GB) DDR5-6000 CL36 Memory
Storage: Samsung 990 Pro 2 TB M.2-2280 PCIe 4.0 X4 NVME Solid State Drive
Video Card: Asus TUF GAMING OC GeForce RTX 4080 SUPER 16 GB Video Card
Case: Corsair 4000D Airflow ATX Mid Tower Case
Power Supply: Corsair RM1000x (2021) 1000 W 80+ Gold Certified Fully Modular ATX Power Supply

 

[Metal Messiah.]

Have you properly plugged in the PCIe power cables to the GPU, 1 x 16-pin from the PSU ? Or, two 8-PIN cables using an adapter as applicable ?

Also make sure you are NOT using the Motherboard's onboard graphics by mistake to power up the PC.

 

[Lutfij]

Since you're able to get into BIOS with the iGPU, from how you've stylized your post, you might want to flash your BIOS to version 7E26v1D, then clear the CMOS(by disconnecting from the wall and display, remove the CMOS battery, press and hold down the power button and then replace the battery after 30mins). and see if that helps.

You should also make sure your 16pin 12VHPWR tot he GPU is fully seated.

 

[Metal Messiah.]

Also make sure you are NOT using the Motherboard's onboard graphics by mistake to power up the PC.