Gpu turns off while gaming

Synkmaster · Feb 28, 2017

Cooler CoolerMaster Hyper 412S
Disco Seagate SATAIII 1TB 7200rpm 64Mb 6Gb/s
SSD Kingston V300 SATA 120Gb
Fonte Corsair CX500M 80 Plus Bronze Modular
Fan 120mm NOX Coolfan 1200rpm Led Red (3x)
Processador Intel i7 6700K 4.0Ghz Quad Core Skt1151
Asus Radeon R9 390 STRIX DC3 OC GAMING 8GB GDDR5
Pack 2x 4GB (8GB) DDR4 GSkill CL15 2400Mhz RipJaws 4 Red
Motherboard MSI Skt1151 - B150 GAMING M3
Caixa NZXT Noctis 450 Black

I played for a year without any problems but since 3 days ago when i tried to play a game the gpu just turns off, the vents, leds are still spinning but the screen is black.
I suspect it is because of the 500W psu but what's weird is that i've had this setup for a year without any problems.
What do you guys think is the problem?

oscar douglas · Feb 28, 2017

I would blame that on the psu, its a 500w 80 plus rated psu, which means it'll run at 80% efficiency this means the psu will take ac power from the wall and turn it into dc power, some of that power is lost and exhausted as heat, your system uses about 489w and your psu guarantees it will convert more than 400w of dc power. this is probably whats causing your gpu to shut off, i'd be surprised if it was the gpus fault. I would suggest getting a 700w psu to eliminate any chances of that happening again, ive linked the best psu I could find

. http://www.ebay.co.uk/itm/EVGA-700W-Gaming-PC-PSU-700B-Power-Supply-80-Plus-Bronze-Rated-120mm-Fan-/142125880983?hash=item21175cd697:m:mTjmU7Q4-DFQwiXyGfSNCAg

nvincent_08 · Mar 1, 2017

if it is not electricity power, then it could be overheating or issue with driver or the pcie connection

Synkmaster · Mar 1, 2017

oscar douglas :

I would blame that on the psu, its a 500w 80 plus rated psu, which means it'll run at 80% efficiency this means the psu will take ac power from the wall and turn it into dc power, some of that power is lost and exhausted as heat, your system uses about 489w and your psu guarantees it will convert more than 400w of dc power. this is probably whats causing your gpu to shut off, i'd be surprised if it was the gpus fault. I would suggest getting a 700w psu to eliminate any chances of that happening again, ive linked the best psu I could find

. http://www.ebay.co.uk/itm/EVGA-700W-Gaming-PC-PSU-700B-Power-Supply-80-Plus-Bronze-Rated-120mm-Fan-/142125880983?hash=item21175cd697:m:mTjmU7Q4-DFQwiXyGfSNCAg

Can u recommend any semi-modular 700w psu?

oscar douglas · Mar 1, 2017

Synkmaster :

this is the best value I could find--
https://www.amazon.co.uk/Corsair-CP-9020061-UK-Builder-CXM750-Semi-Modular/dp/B00ALK3QRS/ref=sr_1_1?ie=UTF8&qid=1488406019&sr=8-1&keywords=700w+modular+psu

Synkmaster · Mar 1, 2017

Can the problem be with the gpu instead of the psu, cause the thing is that it worked just fine for over a year.

oscar douglas · Mar 1, 2017

Synkmaster :

if you wanted to find out you could try underclocking your gpu via msi afterburner and seeing if it still turns off

Synkmaster · Mar 1, 2017

It is currently at core clock 1050 and memory clock 1500 , to what clocks do i change it to?

oscar douglas · Mar 1, 2017

Synkmaster :

the lowest you can safely go is 950mhz core clock and 1450mhz on the memory clock

Synkmaster · Mar 1, 2017

Ok , i'll try.

Synkmaster · Mar 1, 2017

Crashed anyway.

oscar douglas · Mar 1, 2017

Synkmaster :

ok I would still lie the blame on the psu anyway, the only other thing I can think of it having to do with the gpu is if its not cooling properly and its shutting itself down. if you really think the gpu is to blame I would buy a low cost gpu that has a lower power consumption. I found a good one here--
http://www.ebay.co.uk/itm/PNY-GeForce-GTX-650-Ti-1-GB-graphics-card-PERFECT-/222425789216?hash=item33c99c3320:g:8A0AAOSw~AVYrrz4

Synkmaster · Mar 1, 2017

the gpu doesnt seem to go above 75 ºC

oscar douglas · Mar 2, 2017

Synkmaster :

that sounds pretty normal for the r9 390, most of the problems point to the psu, its just not enough to power your system, I think getting a new power supply is logical at this point

Synkmaster · Mar 2, 2017

My only doubt is why did it only stopped being enough more then a year later?

oscar douglas · Mar 2, 2017

Synkmaster :

power supplies can slowly lose power over an extended period of time, I think the issue is 99% likely to be that

Synkmaster · Mar 2, 2017

Ok , thx for everything , i just ordered a evga b2 750w ,hope it fixes things.

Synkmaster · Mar 6, 2017

I have installed the new psu and the problem continues -.-

rgd1101 · Mar 6, 2017

continue on http://www.tomshardware.com/answers/id-3351488/gpu-turns-gaming.html

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