Last weekend my son let me know that the main computer was spontaneously crashing and sometimes wouldn't boot up. I try to run an offline Windows Defender scan & chkdsk, but the system shuts down / reboots in the middle. It also fails to boot - not even getting to the BIOS splash screen. Worrying...
I download the motherboard manual to see if it has any suggestions. Well, there are "easy debug LEDs", but they are so bright I can't see the labels. There's also four LEDs next