Sorry forgot to add that, my PSU is a Corsair CV450 80+ Bronze. It's about a year old now, I'll edit it into my specs. I'll try flashing the BIOS when it doesn't POST again.
It was weird because I haven't changed anything on the BIOS, and as far as I know, the only parts I've handled so far are...
I am having trouble with booting up my PC. Yesterday, at the very start of the day of opening the PC it did not signal anything to the display. The fans were running, CPUs, GPUs, case fans', and as well as LEDs were on during that time. However, I noticed that one specific LED was not turning...