PC won't boot into either bios or windows, or secure mode (unless i've been doing it wrong)

[Mikolaj_m]

PC won't boot to either windows nor BIOS after trying to turn secure boot on after updating bios to F40b, the screen is black, the keyboard doesn't light up, monitor doesn't pick up any connection from PC, goes into standby mode, i unplugged and plugged everything including the power supply, also changed cmos battery, the only thing that happens after pressing the power button is that the fans start spinning and glowingin more detail, after disabling CMS and putting secure boot on 'enable' but it still was 'not active' i was assigning a key to it like my bios told me to, clicked save+exit, but

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