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What's wrong? GPU or PSU?

CandyCake

Hi, last time I've bought new GPU, MSi R9 390. Since I installed it I have some problems but i think it's something with my PSU. For example, when I play Fallout 4 I have FPS drops plus some artefacts on my screen, like black pixels snow, something like an old movie effect. The next thing is, when I play Armored Warfare, my settings on default was ULTRA, but when i entered the game I had sth around 25-40FPS and my PSU was hot like hell. So what do you think? Is it the PSU or damaged GPU?

My PC specs:
- MSI 970 gaming motherboard
- CPU AMD FX-8350
- MSi R9 390

- 8GB RAM 1866Mhz DDR3 Kingston HyperX
- DVD Player
- HDD WD Green WD10EZRX 1.0TB
- 3 x 15cm PC case fans
- Cooler: Asus Silent Knight AL
- Power Supply : TACENS RADIX VI 750 (Total 750W)

CPU: AMD FX-8350, GPU: MSi R9 390, MB: MSi 970 GAMING, RAM: 16GB HyperX 1866,

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I did Armored Warfare test again. I had fps drops and after 3 minutes my game crashed, and there was Windows info, that GPU driver has crashed but launched again fine. All components temperatures are OK, but I can't chceck the PSU temp. CPU 72C max, GPU 70C max.

CPU: AMD FX-8350, GPU: MSi R9 390, MB: MSi 970 GAMING, RAM: 16GB HyperX 1866,

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Hi, last time I've bought new GPU, MSi R9 390. Since I installed it I have some problems but i think it's something with my PSU. For example, when I play Fallout 4 I have FPS drops plus some artefacts on my screen, like black pixels snow, something like an old movie effect. The next thing is, when I play Armored Warfare, my settings on default was ULTRA, but when i entered the game I had sth around 25-40FPS and my PSU was hot like hell. So what do you think? Is it the PSU or damaged GPU?

My PC specs:

- MSI 970 gaming motherboard

- CPU AMD FX-8350

- MSi R9 390

- 8GB RAM 1866Mhz DDR3 Kingston HyperX

- DVD Player

- HDD WD Green WD10EZRX 1.0TB

- 3 x 15cm PC case fans

- Cooler: Asus Silent Knight AL

- Power Supply : TACENS RADIX VI 750 (Total 750W)

 

Sounds like the GPU but if the PSU is getting hot it's the PSU. I would recommend a better PSU. Try a corsair CX750:

 

http://www.corsair.com/en/cx750-80-plus-bronze-certified-power-supply

PC Specs:

 
Core I5 4690K CPU
Gigabyte GTX 960 windforce 4GB GDDR5 GPU
Corsair 100R case
Seasonic 620W S12-II PSU
Kingston SSDNow 120GB SSD
Toshiba 1TB HDD
Asrock H97 Pro4 motherboard
8GB panram DDR3 1600 RAM
Windows 10 home 64 bit
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Sounds like the GPU but if the PSU is getting hot it's the PSU. I would recommend a better PSU. Try a corsair CX750:

 

http://www.corsair.com/en/cx750-80-plus-bronze-certified-power-supply

Should I buy PSU with more W? like 850W or 1000W?

Do not ever buy a CX as an upgrade. Refer to tiers 1 and 2 of this list to get a good PSU: http://linustechtips.com/main/topic/406160-psu-ranking-and-tiers/ Also, 550W is fine for that system. Just saying your current one is rather... shit, too.

USEFUL LINKS:

PSU Tier List F@H stats

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Do not ever buy a CX as an upgrade. Refer to tiers 1 and 2 of this list to get a good PSU: http://linustechtips.com/main/topic/406160-psu-ranking-and-tiers/ Also, 550W is fine for that system. Just saying your current one is rather... shit, too.

sooo, if 550W is enough, that means PSU is bad quality?

CPU: AMD FX-8350, GPU: MSi R9 390, MB: MSi 970 GAMING, RAM: 16GB HyperX 1866,

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But the question is, is it sure that it's PSU fault? It's only heating up in one game.

CPU: AMD FX-8350, GPU: MSi R9 390, MB: MSi 970 GAMING, RAM: 16GB HyperX 1866,

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