PC keeps turning off during games

iHenzaaa · Jul 19, 2014

Hi, I've had a problem with my pc, it randomly turns off when I am playing games, which is rather annoying. This started to occur when I bought my new graphics card, which is a Sapphire Radeon R7 250 2GB DDR3 Graphics Card. I took it out not so long a go, and I used my on board graphics which is a AMD Radeon HD 7560D. I have changed power supplies about 3 times now, and my current one is a Corsair CX750, so I don't think it is a power supply issue, especially since I've had my Corsair a few weeks now. Any help would be appreciated. Also, this problem still occurs with the 7560D

My main specs
GPU(S): Sapphire Radeon R7 250 2GB DDR3 Graphics Card & AMD Radeon 7560D
CPU: AMD-A8 5600K Quad Core
PSU: Corsair CX750
Motherboard: It's a Gigabyte board, but I'm not sure what the exact name is.
RAM: HyperX Blu 2x 4gb

COLGeek · Jul 19, 2014

Sounds like a heat issue. How hot is your CPU and GPU at idle and under load?

Also, please only post a question a single time in a single place on the forums. Thanks.

iHenzaaa · Jul 19, 2014

CPU temp whilst idling is around 70 degrees, and whilst gaming (On Arma 2 when it usually goes off) is about 90 degrees

COLGeek · Jul 19, 2014

That is way too hot! 70C?

What make/model heatsink are you using?

iHenzaaa · Jul 19, 2014

I'm not sure what heatsink I'm using, but it's for my AMD A8-5600K APU

iHenzaaa · Jul 19, 2014

The socket is FM2

COLGeek · Jul 19, 2014

Did you use the heatsink that came with the APU?

iHenzaaa · Jul 19, 2014

COLGeek · Jul 19, 2014

Are you sure it is tightly clamped down in the socket onto the APU? Also, is the fan actually turning? Are you overclocking anything (CPU, GPU, memory)?

iHenzaaa · Jul 19, 2014

The fan is turning, and I haven't over clocked anything, i will check if its tightly clamped down

iHenzaaa · Jul 19, 2014

Yes it's clamped down tight

COLGeek · Jul 19, 2014

What make/model is your case? How many case fans do you have? 70C at idle is way too hot. Could be an airflow issue.

iHenzaaa · Jul 19, 2014

Its a cyberpower case, and I use 1 case fan, but it can have 2

iHenzaaa · Jul 19, 2014

Cooler Master Elite 310 Mid-Tower Gaming Case w/ Side Panel Window

COLGeek · Jul 19, 2014

Front and side fans should pull cool air into the case. Rear and top fans should suck hot air out and exhaust it from the case.

If you remove the side cover and operate your system, does the CPU temperatures drop noticeably?

iHenzaaa · Jul 19, 2014

I've had the cover off for a few days, but the temp hasn't dropped much

COLGeek · Jul 19, 2014

Then you should try this. Replace the thermal compound on the heatsink.

1. Power the system down and remove all power connections (power cable, video cable, powered speakers, etc).
2. Unclamp the heatsink and remove it
3. Clean the old thermal compound from the heatsink and the APU. You can use isopropyl alcohol, a thermal material remover kit, or really just paper towels. Remove all that you can.
4. Using a quality thermal compound (like Arctic Silver), put a pea size drop in the center of the APU.
5. Re-seat the cleaned heatsink onto the APU, connect the clamp, and close the lever. The pressure will spread the new thermal compound.
6. Reconnect everything and start your system.

iHenzaaa · Jul 19, 2014

Okay, I'll try that, I'll let you know what happens. Thanks for your help, hugely appreciated

COLGeek · Jul 19, 2014

You are most welcome.

iHenzaaa · Jul 20, 2014

Temperature has gone down a lot, thanks for your help

COLGeek · Jul 20, 2014

Excellent news. Well done.

PC keeps turning off during games

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