Hello. Sorry, could've sworn I already had the wattage copied on the speclist, guess not though. It's a 550W PSU, and the mobo currently has GSE Click Bios 5 version 7C02v1E installed on it.
Context:
Built this PC 2 years ago. Problem started happening 2 weeks ago. When I turned on my PC, an underscore would show on screen for half a second before all of my peripherals turned off (mouse, keyboard), only to turn back on 2 seconds later. I would be stuck in an infinite loop of this...