PC Randomly Turns off, I've already replaced the PSU.

[Chrispwns]

Hello, I've run into an issue. As of the past month my PC began getting uncomfortably slow when doing simple tasks such as browsing, even with low cpu/ram usage.

I replaced my RAM at first because I noticed my PC was being slow and the few times I noticed it at that point was when my RAM was at 90% (upgraded to 16GB). Then it was stil happening and began happening more frequently (often at 20% cpu/ram usage)

So, then I saw screen tearing in browsers, random PC shut offs and replaced my PSU. I have installed that PSU and the problem persists, it's at the point that I can turn my PC on and it will turn itself off immediately after I do anything or just turn itself off 5 seconds after I turn it on.

I'm honestly at a loss, I've replaced RAM, PSU, I know I had some RAM slots randomly die on me, could it be my processor? I have an AMD build so the memory controller isn't on the motherboard.

Build:

Motherboard: Gigabyte 990FXA-UD3

PSU: EVGA NEX Bronze 750W (previously Corsair GS700)

CPU: AMD FX-8350

GPU: EVGA 980 TI SC+

RAM: 16GB Corsair Vengeance Pro DDR3

 

[Tradesman1]

If you have dead DRAM slots it may well be the mobo is dying

 

[Chrispwns]

If you have dead DRAM slots it may well be the mobo is dying

That was actually my first thought when one ram channel decided to go out on me. I contacted gigabyte and they said "Impossible, memory controller is on the CPU so we don't warranty that" then I was sent to AMD who said "Nope, motherboard". It's a bit too much I may end up buying a new CPU and MOBO then forget it.