Computer shuts off while playing game

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TotalAwesomeness

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Apr 4, 2017
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I have been playing Playerunknown Battlegrounds lately and randomly my computer just shuts off. The power button doesn't work when pressed so I have to switch my PSU off then on again which lets me boot up the computer. I have tried playing other games and everything has been fine. Im pretty sure is not an overheating problem. Im guessing that it is either the motherboard or powersupply that is the cause but i cannot figure it out.

PSU - Ultra LSP650 650-Watt
Motherboard - Asus M5A97 R2.0
Graphics card - MSI Radeon R9 390
CPU - AMD FX-6350 3.9GHz
RAM - Patriot Viper Xtreme 8GB
 
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rhysiam

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Mar 24, 2013
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That's a really crappy PSU you have there, and from what I can tell, it must be a good 5 years old or more.

It's very unlikely that drivers are the issue as that would NOT require a physical disconnect/reconnect of the powersupply. That points towards some sort of power safety feature kicking in.

You have a hot and hungry CPU and GPU, and a very low quality and old power supply. That's a recipe for disaster.

Grab this Seasonic unit: http://pcpartpicker.com/product/nB3RsY/seasonic-power-supply-s12ii620bronze
I think there's a pretty good chance that your problems just go away as soon as you connect that PSU. But even if they persist, you need to replace that PSU anyway, and you've eliminated the PSU as the potential problem.

Finally, just be aware that you're taking a risk loading up that PSU. If I was in your shoes I wouldn't be continuing to game or generate any sustained workload until I had replaced it. It sounds like you're hitting some sort of safety circuitry which is good, but you don't want to rely on that. If that doesn't kick in the PSU could catastrophically fail and take any (potentially all) connected components with it.
 
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rhysiam

Splendid
Mar 24, 2013
4,366
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I'm guessing by your "best answer" selection that updating the drivers may have temporarily resolved your issue. Please be aware though, that the problem you describe is NOT explained by a driver issue. As I said above, it's extremely unlikely that a driver problem results in a hard power off, and even less likely that it would require you to use the physical power switch to reset your PSU. Having to physically switch of and on the PSU is almost certainly because you've tripped some protection circuitry in the PSU. That means you're in extremely dangerous territory.

Just a couple of weeks ago I had to help a mate rebuild his entire PC because his dodgy PSU blew and fried his motherboard. He couldn't get a replacement so he ended up having to spend hundreds of dollars on a new mobo, CPU and RAM (because DDR4). He was lucky because his GPU turned out okay... but that was just luck. Ask any experienced builder on these forums and they will tell you similar tales. You don't mess around with low quality PSUs. That's doubly true when they give you reasons to doubt them (like hard powering off systems), and triply true when you're running components that draw a lot of power (FX 6350 + R9 390 absolutely falls into that category!)

You need to be aware you're taking one hell of a risk continuing to run with that old, low quality PSU that's already giving you signs that it is not up to the task and is probably in the process of failing. In the end of the day it's your choice, but IMHO you need to prioritise replacing that PSU unless you want to continue playing Russian Roulette with your hardware.
 
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