Question PC turned off while gaming and now won't POST with CPU Debug light on ?

Jan 23, 2025
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Hello folks,

Just Yesterday my new Gaming PC i finished building a month ago stopped working. At the beginning of using my PC, it would Sometimes BSOD. Temps we're Just fine though and i was doing my best to find the Problem and resolve it. Back then the PC usually Bluescreened once per Session (mostly even while under no load at all) Just to restart by itself and Work totally fine after most times. I suspected the RAM to be the reason which is why i turned off the xmp in hopes of gaining some stability. Then 2 days after doing so it once again crashed on me which confused me but i still suspected the RAM.

I just decided to Turn on MSI AfterBurner and watch the temperatures of my PC while playing Forza Horizon 5. Then one hour into Playing the Game the PC suddently turned off with one Random click noise (electric relax from the PSU which was my guess)after which it did Power on by itself, but without giving Out any Display, furthermore the CPU Fans and the case Fans as well as the GPU Fans kept Spinning and the EZ Debug CPU was on permanently.

The PC
Mobo: MSI Z370 A-PRO
CPU: Intel i7-8700k (OC'd to 4.4ghz)
GPU: XFX Radeon RX 6650 XT
Crucial Ballistix 16GB (2 x 8GB) DDR4
PSU: 650W SHARKOON WPM Gold Zero

To be honest i really Just Hope it might be an issue with the used Board (took over from a friend) or the cpu (bought used Like new from Amazon under warranty) as i am really scared of Power Supply failure because of which i meant to Switch to a Corsair PSU soon anyways. Help would really be greatly appreciatted since i have already tried to: Reseat the RAM and only Use 1 Stick - Turning Off and unplugging the Power Supply and Turning the PC on 2 days later - Reseat the GPU as well as trying to boot without it. Oh and i noticed No burning smell at the time
 
Welcome to the forums, newcomer!

PSU: 650W SHARKOON WPM Gold Zero
You might want to source(borrow, not buy) a reliably built PSU with 650W of power at the entire system's disposal to see if the issue is alleviated.

the EZ Debug CPU was on permanently.
If it's the motherboard/BIOS that's at fault, you can drop your processor onto a known working motherboard and see if you get POST.
 
Welcome to the forums, newcomer!

PSU: 650W SHARKOON WPM Gold Zero
You might want to source(borrow, not buy) a reliably built PSU with 650W of power at the entire system's disposal to see if the issue is alleviated.

the EZ Debug CPU was on permanently.
If it's the motherboard/BIOS that's at fault, you can drop your processor onto a known working motherboard and see if you get POST.
Thanks i'll be sure to try that asap and get Back to this. Gotta say im kinda surprised though since sharkoon did seem reputable when reasearching for a PSU though im Sure i'll Switch to Corsair anyways