Computer randomly shuts down

bigbali141

Prominent
Dec 28, 2017
22
0
510
Hey folks!
I have started a thread before, for the reason of my computer shutting down, without error codes.
Since then, I have replaced my PSU, which should have been the faulty guy.
When the PC cuts power, it literally does, since my headset LEDs and my mouse won't light up (neither does the power button on the case).
After I press the power button (after a shutdown), it takes some time, but eventually it boots up.
At the moment I press the button, all the LEDs light up again.
The crashes seem to occur randomly, without any reason.
My CPU temperatures never exceed 70 celsius under the system stability test (which does not make the PC crash).
My motherboard is new too.
Specs:
APU: AMD A8 6600K, 3.9 GHz, 4 cores, iGPU: Radeon HD 8570D, with 2 gigs allocated to it.
RAM: 2x4 Gb Crucial, DDR3, 1600MHz.
HDD: WD Blue 1 TB 7200 RPM.
PSU: Corsair VS 550, 550 W.
MB: Asus A88XM-A, a new version of it, with USB 3.1, unfortunately, there is only one version of the BIOS for it.
It had been shutting off for years now I think, but in the recent months it became frequent.
 
Per the below thread and quote from it, this isn't a great design and I wouldn't trust it. On those grounds, I am still thinking PSU here.

http://www.tomshardware.co.uk/forum/352836-28-cmpsu-vs550-corsair-good

The VS series is based on CWT's GPA design, which is a very low end design and uses JunFu caps, which aren't very good. Low efficiency is another disadvantage.
The GPA series only goes up to 500W, so Corsair is again inflating the wattage number on the label.
It is in fact worse than the CX series.

The CMPSU-VX 550 is definitely not new, probably the reason it is not available to you is that it has been discontinued.
 

bigbali141

Prominent
Dec 28, 2017
22
0
510


I don't really think it's the PSU. Though nothing is sure...
Last time I checked the RAM, that too was fine, and the shutdowns were happening even when I had an old ASRock FM2A58M-VG3+ R2.0, paired with the cheap Spacer PSU. That did 500 W, but it really was loud and was looking like it's gonna blow up anytime (but it's fine, actually).
I don't know if the CPU could cause it, I don't see much chance for it.
Either way, I cannot afford to replace any of my components.
By the way, I have only heard good about the VS series, and I know people who have far higher specs than me, and the PSU does just fine.
 
If it was bad CPU or bad RAM, the computer probably wouldn't show the problem by a complete shutdown. You would probably be seeing "freezing" and/or "BSODs".

If it was a short, it probably wouldn't boot to begin with.

My rule of thumb is that if a computer works for a while and then shuts off randomly, it's 95% likely to be a problem with power. I don't see any reason to test anything else until power has proven not to be the culprit. In this case, I would say that it hasn't.

Can you put your PSU in this other "know people with higher specs"s PC and see if it works in there? Can you put their PSU in your PC?

Ultimately, this kind of issue typically does require some "switching out" to be done to narrow down the cause.
 

bigbali141

Prominent
Dec 28, 2017
22
0
510
I probably won't ask anybody if they can lend me their PSU or if they might try mine, but I have got one last question:
is it possible that the power coming from the power extender is unstable? (will try if I switch it and the problems still persists)
 
I don't know your situation, but I wouldn't hesitate to ask somebody. I find gamer's watching other gamer's backs to be a common thing.

If you mean an extension cord when you say "power extender" then I don't think it has to do with anything. If you want to switch that out and see what happens then feel free, but I don't expect that to make the difference.

If there is something sitting between the wall outlet and the PC that's more than just a power cord, you might try going direct to wall. You may have to move the PC somewhere else temporarily to test like that, but it's worth doing. Small chance a faulty surge protector or UPS would cause something like that.

I feel bad that you are winding this down without actually fixing the issue.
 

bigbali141

Prominent
Dec 28, 2017
22
0
510
The power from the wall being the problem is ruled out.
It withstands stress test like a champ.
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bigbali141

Prominent
Dec 28, 2017
22
0
510
Update:
After reinstalling my OS, the crashes no longer occur, and another surprize, my temps are way lower (I can feel it by hand).
A reason could have been faulty Asus drivers.
If my luck runs out and my PC goes potato again, I will come back to cry.
Thank you for your time, ladies and gentleman!