Question PC Shuts Down Randomly, Power Button Doesn't Respond Afterwards, Shorting The Pins Doesn't Work

elmo_1999

Honorable
Feb 23, 2018
6
0
10,510
I've been afflicted with a strange problem where my PC would hard shut down randomly at any point in time after I start my PC, sometimes even 2-3 seconds into the boot screen. Upon initial inspection I found that I'd been using the all in one F_PANEL connector on my motherboard whereas it was meant for Intel motherboards, I have AMD motherboard and I was supposed to use the breakout cable provided in the accessory box (NZXT H510 Flow). So I changed the power sw connector with the breakout cable and figured I'd solved the problem, until it happened again, this time after 48+ hours. The same problem where my PC shuts down and my power button doesn't respond initially, but eventually responds for some reason and PC boots, only to shut down again in 2 seconds. Also my PC randomly booted itself when I had my PC powered on, I saw this happening only once.

To confirm that this is indeed a power sw connector/power button problem I used my spare case's power sw connector and pushed its button, PC boots but shuts down again. I also tried to turn on the system by shorting the two pins where the powersw is supposed to go in, pc didn't boot. Now I'm afraid if it's a problem with my motherboard since I'm well out of warranty, might also be a PSU problem.

To sum up the things I've tried already:
1. Trying a different case
2. Reseating RAMs
3. Using breakout cable for my AMD motherboard which I previously did not use, problem persists.
4. Shorting the pins.

My Configuration:
Windows 11
Ryzen 5 5600
Ripjaws V 8+8GB
ROG 2080 Ti
Corsair RM 750x
Case: NZXT H510 Flow

Also to mention, I use cable extensions for the 24 pin connector and 2 for PCIE.

Any and all help will be greatly appreciated ! !
 
Last edited:
What BIOS version are you on for your motherboard? As for you r build, how old is the PSU in your system? Which slots are the rams populating on the motherboard? Try and work without the extensions and make sur all connections to all components are snug and secure.