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.
 
Dec 27, 2020
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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
 
Dec 27, 2020
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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