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Random shutdown, temperatures fine

sphero1984
By sphero1984
in Troubleshooting
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I have recently had trouble with my PC, where I am having trouble pinpointing the problem. I built it myself about 7 years ago and it's the first major problem I have had with it.

 

The PC turned itself off a couple of weeks ago and I mean just went off instantly. After that when I pressed the power button the graphics card fan would spin up for half a second but the PC would instantly go off again. The next morning it was behaving the same, however in the evening it powered up fine and booted into windows for about 5 minutes. I have disconnected every component and re built the PC from scratch, cleaned all dust out of fans heatsinks etc. I even removed cleaned cpu added new TIM, but it still does the same. Sometimes it doesn't start and sometimes it does but never more than 10 minutes and I have monitored temperatures and voltages of cpu when I am able to boot.

 

Any ideas about what I should troubleshoot or what is most likely the issue would be greatly appreciated 

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37 minutes ago, sphero1984 said:

I have recently had trouble with my PC, where I am having trouble pinpointing the problem. I built it myself about 7 years ago and it's the first major problem I have had with it.

 

The PC turned itself off a couple of weeks ago and I mean just went off instantly. After that when I pressed the power button the graphics card fan would spin up for half a second but the PC would instantly go off again. The next morning it was behaving the same, however in the evening it powered up fine and booted into windows for about 5 minutes. I have disconnected every component and re built the PC from scratch, cleaned all dust out of fans heatsinks etc. I even removed cleaned cpu added new TIM, but it still does the same. Sometimes it doesn't start and sometimes it does but never more than 10 minutes and I have monitored temperatures and voltages of cpu when I am able to boot.

 

Any ideas about what I should troubleshoot or what is most likely the issue would be greatly appreciated 

 

Knowing the full system specifications would be great. Have you changed anything (hardware or software) before the issue began? 

CPU: AMD Ryzen 9 - 3900x @ 4.4GHz with a Custom Loop | MBO: ASUS Crosshair VI Extreme | RAM: 4x4GB Apacer 2666MHz overclocked to 3933MHz with OCZ Reaper HPC Heatsinks | GPU: PowerColor Red Devil 6900XT | SSDs: Intel 660P 512GB SSD and Intel 660P 1TB SSD | HDD: 2x WD Black 6TB and Seagate Backup Plus 8TB External Drive | PSU: Corsair RM1000i | Case: Cooler Master C700P Black Edition | Build Log: here

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check event viewer - windows logs - system

Gaming PC:

CPU: Ryzen 5800X3D | Motherboard: Gigabyte B550 Elite V2 | RAM: Crucial 2x16gb, 3200  JEDEC. | PSU: EVGA SuperNova 750 G3 | Monitor: LG 27GL850-B , Samsung C27HG70 | 
GPU: Asus Prime RTX 5070ti OC| Sound: Odac + Fiio E09K | Case: Fractal Design R6 TG Blackout |Storage: Kingston Renegade 2TB and Corsair MP510 960gb | Cooling: CPU: Alphacool ST30 420mm rad, Alphacool CPU and GPU Core LT and Core blocks, D5 pump and res combo 

 

Linux PC:

CPU: Ryzen 7700| Motherboard: Asus A620M-CSM | RAM: Crucial Pro 2x48gb, 5600  JEDEC. | PSU: Corsair CX750 | Monitor: LG 27GL850-B , Samsung C27HG70 | 
GPU: MSI Gaming X RTX 3090 | Case: Lian Li Dan Cases A3-mATX black |Storage: SN7100 2TB + Samsung 860 EVO 512gb | Cooling: CPU: Thermalright Peerless Assassin Mini Fan(s): Noctua 1x NF-A14x25 Chromax

 

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