PC slow after bios reset by accident

So Plugged in a plug into my power supply, pc would not start. unplugged it and it started but it reset the bios and or the mother board.

Now my computer is slow.

I have windows 10 pro M.2 ssd 2 gig 128 gig of ram Intel i9 3.50 ghost my motherboard is: MSI MEG Z590 ACE GOLD EDITION Gaming Motherboard

It also doesn't register that I have a second m.2 ssd

how to fix it?

It wasn't over clocked or anything like that.