Whats the actual problem, you have put I have a problem,
heres some fixes:
turn it off and on again
reboot
pull out the psu and turn it on again
break and fix your mains power socket
done
Reply with a better explanation
Running Raspberry Pi OS Full, therefore my comments will be based on that
Using RPI-4B 4GB at 2.1GHz CPU and 700MHz GPU
don't format your sd because someone said so.
Or put your favourite cutlery into your nearest outlet (May result in death)