New PC Turns Off After 30Mins Of Gaming,

benno7486 · Jan 30, 2016

I have a question, I recently built a system for a client with 8GB ram, hd 7770, fx 4100, 450Watt ayunn 80+, 120gb SSd, 500GB. And He has been playing tom clancys devision on it and the devisions minium requirements state a 6 core amd processor and a hd 7770. He only has a quad core fx 4100 and he meets the GPU requiremnt with the 7770. He is having an issue where the CPU is at 100% when running Tom clancys the devision and the computer will just shut down after like 15 mins of game time. I think the cpu is just too underpowered or overheating. What do you guys think???? He gets 40FPS On medium and reaches 65 degrees CPU and 70 GPU. HELP ASAP

PacManCan · Jan 30, 2016

Certainly sound like thermal to me

1. Does it show the same behavior when not running games, just at idle?
2. Does the same behavior occur when running a CPU stress test like prime 95?
3. When you say the computer "shuts down" does Windows go through the proper shut down process or does it just cut out?
4. Have you checked through the system event logs for a better idea as to what is happening?
5. Assuming you have not implemented any overclocking, but if you have ensure you reset bios settings to defaults.

I read somewhere 61 degrees is limit for FX, I think aftermarket cooler could resolve your issue providing the CPU is not faulty.

PacManCan

yoji · Jan 30, 2016

Those temps don't sounds like "shut down" levels.. and a CPU should slow down rather than shut down.. 65 degrees after 30 mins of 100% sounds fine.
And GPU temps sound OK as well.
So by all means check temps.. but they don't sound bad. Not done the maths, but 450W PSU sounds a bit puny... and bad power is the sort of thing that can make a Computer just shut down.
So I would say.,.. check power and temps..
Cheers

benno7486 · Jan 30, 2016

Yes im running aida 64 test now and ill run for 15 mins and let you know if it dies. When im playing the game it will just cut off and no overclock is on. its just running games

JQB45 · Jan 30, 2016

I'd be willing to bet its a power supply issue and not a CPU/GPU heat issue.

benno7486 · Jan 30, 2016

Yeah once this test finishes ill swap the PSU to a 500Watt FSP one that i have spare. the model is FSP500-60APN

JQB45 · Jan 30, 2016

What temperatures are you seeing during this test?

benno7486 · Jan 30, 2016

CPU 65
GPU 72

benno7486 · Jan 30, 2016

I see the hd 7770 requires 19A on the 12V rail, the 450 watt only had 15A so that may have been issue. But the new 500W one has 18A its 1 A short. Do you think the hd 7770 will be fine on an 18A instead of 19A?

PacManCan · Jan 30, 2016

Don't under power devices mate, you're just asking for problems. Purchase a decent PSU that meets all the requirements.

benno7486 · Jan 30, 2016

I cant my customer wants it today, the video card was on 15A before and it worked, now its 18A so it should be stable

Vic 40 · Jan 30, 2016

benno7486 :

The FSP has two +12voltrails with each being able to give 18amps,where their combined output should not exceed 34Amps,so your fine.The 19Amps recommended is for the entire system,is also cpu and other parts.

yoji · Jan 31, 2016

Vic 40 :

But you cant just say that.. you cant just talk about combined rails, they are separate.
However, if the total power need is 19Amps .. some can be delivered by the PCI slot (3A max?) and the rest can be delivered via the 6 pin PCIe cable. So as long as they are delivered from the different rails (and you don't have anything else drawing on either of the 12V rails to tip them over capacity).. you should be OK.
http://www.tomshardware.co.uk/power-supply-specifications-atx-reference,review-32338-2.html

Cheers

Andrei-Florin Gogan · Jan 31, 2016

What motherboard did you pair the FX 4100 with ?

Vic 40 · Jan 31, 2016

yoji :

I'm telling him that they're seperate and that each seperately can deliver 18A while combined you just can't add those up but that they will deliver less.You can expect that psu makers will make the cpu and gpu draw power from different rail.
The pcie slot can deliver up to 75watts,it's probably powered by the same rail as the cpu.Still 18A is 216watts,more than enough to give power to the cpu and what the pcie slot might deliver.I think that the gpu will draw most power from the 6pin and when not enough it will use power from the pcie slot.
You have to keep in mind that this gpu isn't a big power user,it might use up to 100watts if it reaches that at all.

yoji · Jan 31, 2016

Vic 40 :

I'm just going on what someone else posted.. I.,e. "I see the hd 7770 requires 19A on the 12V rail" - that would be 228 Watts.. Which is more that the PSU can supply on any single rail (from what someone else said about the PSU)..
And don't forget .. he will be having more than just CPU and GPU to power..
So unless its known exactly which rail is supplying what.. your comment "so your fine" can only be based on assumptions, which may not be true.
Sure, we hope that between the PCI slot and the PCIe cable he can get enough.. but we don't know. Its still a risk.
Cheers

Vic 40 · Jan 31, 2016

yoji :

It just doesn't,not the gpu itself,that is for an entire system.

toyftw · Jan 31, 2016

Vic 40 :

+1^

benno7486 · Feb 1, 2016

Thanks for the answers for the one that was interested in the board it is, ASUS M5A78L-M USB3

Vic 40 · Feb 1, 2016

With no overclocking will that do fine.

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