Shutting down when starting game

[trama09]

Ran into a strange problem today. When I start to play Metal Gear Solid 5, and proceed past the main menu, the PC shuts down and reboots after a few seconds. This has never happened before with any game, especially MGS5.

 

My system is in the signature.

 

Things I think I can rule out:

- It's not a temperature things. CPU is mid 40s and and GPUs in 60 around that time. But get's to high 70s when I am actually playing the game.

- It's might not be RAM. Ran Windows Memory Diagnosis and it was fine.

- CPU is fine. Ran Prime95 and it was stable.

 

What it could be:

- Bad graphics cards. I tried running Furmark and Unigine Heaven and it caused my system to shut down and reboot after a few seconds.

- Bad PSU, it's about 2.5 years old and is a Corsair AX850. I thought it'd be enough juice, so it could be maxing out or over heating. 

 

What else should I test? What could I rule out? What do you think it is?

[Likwid]

It could be PSU, basicly every PSU loses 10% or so efficiency every year of use and when it can't give enought power to your hardware OCP (if psu didn't have it your psu could cache on fire or just spark and die taking other hardware with it) kicks in and saves your hardware from getting damaged.

At start you can try to remove one of you're gpus and run benchmarks.

[trama09]

It could be PSU, basicly every PSU loses 10% or so efficiency every year of use and when it can't give enought power to your hardware OCP kicks in and saves your hardware from getting damaged.

At start you can try to remove one of you're gpus and run benchmarks.

Oh I didn't know it loses efficiency. Especially at a rate like that. I considered doing that. But it's kind of a pain. But I'll give it a shot. Thank you.

[Likwid]

Oh I didn't know it loses efficiency. Especially at a rate like that. I considered doing that. But it's kind of a pain. But I'll give it a shot. Thank you.

It's worst case scenario.

980Ti sli can pull 500 watts prom psu without any oc, and when you count cpu and other stuff you get almost 700+ watts load on you're psu. It's recomended to have 850w-1kW psu for sli

[trama09]

It's worst case scenario.

980Ti sli can pull 500 watts prom psu without any oc, and when you count cpu and other stuff you get almost 700+ watts load on you're psu. It's recomended to have 850w-1kW psu for sli

Right, right. I did see that recommendation with SLI 980 Ti's. I just benched each card individually and then completed. So I  am more confident that it's the PSU. Which I would rather have crap out on me than a 980 TI. I'll be getting a 1kW, which should give it enough overhead. Thank you for helping me.

[Likwid]

Right, right. I did see that recommendation with SLI 980 Ti's. I just benched each card individually and then completed. So I  am more confident that it's the PSU. Which I would rather have crap out on me than a 980 TI. I'll be getting a 1kW, which should give it enough overhead. Thank you for helping me.

Np, good luck finding new PSU

[GoldSrc]

It could be PSU, basicly every PSU loses 10% or so efficiency every year of use and when it can't give enought power to your hardware OCP (if psu didn't have it your psu could cache on fire or just spark and die taking other hardware with it) kicks in and saves your hardware from getting damaged.

At start you can try to remove one of you're gpus and run benchmarks.

From where did you get that "10% efficiency loss every year"?, I would like see some sources on that.

[0x1e]

From where did you get that "10% efficiency loss every year"?, I would like see some sources on that.

PSU's do lower in output and efficiency overtime. By 10% I'm not so sure...

However I do know that once it passes a point it will just crap out and fall on its arse.

[GoldSrc]

PSU's do lower in output and efficiency overtime. By 10% I'm not so sure...

However I do know that once it passes a point it will just crap out and fall on its arse.

I know capacitors lose like a big chunk of their life by each 10ºC increase in temperature, but I have never read anywhere anything about efficiency.

Even if that were true, a lose in efficiency doesn't mean it will give you less power, it just means it will use more power to provide its watt rating or the PSU will just fail on you.

[trama09]

PSU's do lower in output and efficiency overtime. By 10% I'm not so sure...

However I do know that once it passes a point it will just crap out and fall on its arse.

Agreed. I disabled SLI and have been playing on one card for a couple hours now. Then it suddenly shuts down and reboots... I should probably call it a night before it fries my cards.

[0x1e]

I know capacitors lose like a big chunk of their life by each 10ºC increase in temperature, but I have never read anywhere anything about efficiency.

Even if that were true, a lose in efficiency doesn't mean it will give you less power, it just means it will use more power to provide its watt rating or the PSU will just fail on you.

Using more power to give the same amount of power is losing efficiency?

Like, I will use 425watts and only use 400 watts. So I've lost 25 watts. 5 Years later I now need 450watts to use 400 watts. So I've lost efficiency.

Over the same time I will no longer be able to hit my max wattage. My 860i will become an "850i", then "840i" and so on.

However each time it ages I will be using more and more power from the wall to hit my normal usage which will hit my PSU even harder which will speed up the ageing process.

[GoldSrc]

Using more power to give the same amount of power is losing efficiency?

Like, I will use 425watts and only use 400 watts. So I've lost 25 watts. 5 Years later I now need 450watts to use 400 watts. So I've lost efficiency.

Over the same time I will no longer be able to hit my max wattage. My 860i will become an "850i", then "840i" and so on.

However each time it ages I will be using more and more power from the wall to hit my normal usage which will hit my PSU even harder which will speed up the ageing process.

I was talking about the overall efficiency of the power supply, because I will assume you know that a 85-ish% efficient power supply will use 15-ish% more power from the wall to achieve its maximum watt rating.

Now, some components might be approaching their end of their life and that could mess up thing up is some other parts of the PSU, that could be OP's problem.

[trama09]

I was talking about the overall efficiency of the power supply, because I will assume you know that a 85-ish% efficient power supply will use 15-ish% more power from the wall to achieve its maximum watt rating.

Now, some components might be approaching their end of their life and that could mess up thing up is some other parts of the PSU, that could be OP's problem.

I hope not. The next "oldest" thing would be the RAM which are about a year old. I don't know.

 

I went with the Corsair RF1000i and it should be here tomorrow. I'll be back to update on the results.

[Likwid]

I was talking about the overall efficiency of the power supply, because I will assume you know that a 85-ish% efficient power supply will use 15-ish% more power from the wall to achieve its maximum watt rating.

Now, some components might be approaching their end of their life and that could mess up thing up is some other parts of the PSU, that could be OP's problem.

Better quality psu will degrade slower than cheap psu. It's based on capacitor quality, maximum operating temperature and load. Same thing as when people used amd gpus to mine cryptocurrencies, they loaded psus to maximum and they didn't last long time(skip to 4:46 , they didn't like my timeline link )

[Likwid]

I did research about this almost a year  ago when my system started to started to shutdown when gaming/rendering in autocad. I had zalman 600-hp(4 12V 16A rails) I used 2 of them for my r9 290(needs 32A)  and it ran without any problems for 6 or 7 months and then when my gpu and cpu were stresed for 100% it shutdowns and after sometime it got worse and after few shutdown my gpu died. Had to rma my gpu and buyed new psu and everything works

[GoldSrc]

Better quality psu will degrade slower than cheap psu. It's based on capacitor quality, maximum operating temperature and load. Same thing as when people used amd gpus to mine cryptocurrencies, they loaded psus to maximum and they didn't last long time(skip to 4:46 , they didn't like my timeline link )

 

Well, mining bitcoins will sure make the life of a PSU go down pretty quickly, most good quality PSU should use 105ºC capacitors and as long as they are not CapXon or any other Chinese brand, they will last a long time, but as I told you before, an increase of 10ºC will take away in average like a year of their life away, in a normal PC that is not going to be at 100% load all the time or in very hot environments, a good quality PSU could last you 5 years or more.

[trama09]

I guess I put my last PSU on 100% load too much of the time. And it eventually wore away even though it was (I think) a quality PSU. I did have SLI 780 Classifieds before moving on to SLI 980 TIs.

 

Anyways, I got the RM1000i yesterday afternoon, Benched for a few hours and played MGS5: PP the rest of the day and it went perfectly. Thank you everybody for all of your help and info.