Question I can`t access the BIOS

Dec 27, 2020
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Yesterday i upgraded my cpu from ryzen 3 to ryzen 7 and everything seemed to be working fine but suddenly i realized that the ram was working at lower speeds
So i decided to fix that in the BIOS (I've done this several times) but now I can't access the BIOS.

When i try entering the BIOS the pc continues working but doesn't show any hdmi output to the monitor. I tried removing the cmos battery and entering through Windows but nothing worked.
 
motherboard msi x570 gaming edge wifi
old cpu ryzen 3 3600x with integrated vega graphics
new cpu ryzen 7 2700x
gpu rx570 4gb
ram hyperx fury 3200mhz 2x8gb
750W AeroCool LUX Bronze
 
it turns out that somehow the cpu wasnt supporuing moded gpus or something like this but im not shure cuz when i changed my gpu with a new without moded vbios it worked