[SOLVED] No video output in bios

[XNGTr]

Hi,
today I wanted to make some changes in the bios on my pc, but there was no video output in it. I also don't see the boot screen. It happened after I changed GPU from NVIDIA GTX 1070 8GB (RAM broke in it) to Amd RX 580 8GB. I don't know what's happening, coz after system start, everything works fine in it. What should I do? Bios update (current version: 1.30) / reset can help?
Maybe it's important: my monitor shows message "Unsupported input".

Pc specs:
GPU: Gigabyte Radeon RX 580 8GB Gaming
CPU: Intel Core i5-7500
RAM: 8GB (2x4GB) 2400MHz
MB: Msi Z270 Tomahawk
PSU: Thermaltake 500w Smart RGB

 

[rgd1101]

what connection are you using? dvi/hdmi/dp/vga?

 

[XNGTr]

hdmi, but I tried on dp too and there's no difference

 

[86zx]

The amd Gcn 4.0 cards don’t support some video modes and some bios use those video modes exclusively, Ik with some older dell pc bios you can’t use a rx400 or 500 series. So you can either get another Nvidia card or get a cheap Quadro or something as a secondary gpu just for using the bios

 

[XNGTr]

Ok, thanks for the answers, I will take out the GPU, set everything in bios, and then put gpu back. I think that I could enable integrated graphics in the bios to stay active together with the dedicated card, then I will be able to use bios "normally".