Question Pc doesn't boot, won't let me enter BIOS

Mar 30, 2019
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Hey!
My PC is stuck on the boot and only displays the mainboard logo and keybind for bios but I can't enter the BIOS settings - if I press the key for it it doesn't react at first and if I press it several times my PC just beeps at any keypress after that
Already tried to remove ssd, hdd, graphics card
Did a bios battery reset
Bios reset with jumper
Checked all cables
Tried to boot with no USB attached
Switched RAM around to identify if it is broken
Changed ports for ssd and hdd