PC goes into sleep mode while playing games for my AMD 7750

amd7750 · May 21, 2014

Hello guy's. I need urgent help. When i play games like BATTLEFIELD 3,NFS HOT PURSUIT". My screen turns black and pc falling sleep.My screen goes into power saving mode.This never happens when I am browsing the internet,watching movies.I have to restart to get the signal,i cant do anything.I also have tried by changing the windows power setting.

MY specs are:
Operating System: Windows 7 Ultimate 64-bit
Memory: 4 GB DDR3(transcend)
Processor: Intel(R) Core(TM) i5-3470 CPU @ 3.20GHz (4 CPUs)
Motherboard:Gigabyte B75-d3h
Graphics card: SAPPHIRE AMD 7750
PSU: Corsair vs450

NEED URGENT HELP

Onus · May 21, 2014

That sounds like something might be overheating. Check your temps while you are playing.

amd7750 · May 21, 2014

i have checked with furmark at 99% load,when my GPU touched 68-70 C ,my PC shows power saving mode

amd7750 · May 21, 2014

I have cleaned my case ,my cabinet is COOLERMASTER N200 ADVANCE,forgot to mentiion

Onus · May 21, 2014

It is the monitor, not the PC, which enters power-saving mode when it no longer detects a signal. If it happens when your GPU temp hits only 68C, something is off, because a GPU ought to be able to take much more than that. There may be another component overheating, like VRMs on the board, that are causing the loss of signal.

amd7750 · May 22, 2014

what is VRMs ,I dont know i am noob in this,so how i can check whether my VRMs on board are faulty and also thanks for reply,please answer Onus

amd7750 · May 22, 2014

ALSO what is the solution for it

Onus · May 22, 2014

VRM = voltage regulator module. They provide the power to your CPU (on the motherboard) or GPU (on the graphics card).
Make sure they have enough airflow over them to stay cool. You can use a program like MSI Afterburner (a free download) to control the fan speed on your graphics card. Try setting it higher and see if that helps.

amd7750 · May 22, 2014

i use sapphire trixx, increase my fan speed upto 95% ,at 99 % load at 68 C with furmark test ,same thing happens to me

Onus · May 22, 2014

Hmmm. Have you tested your RAM with memtest?

amd7750 · May 22, 2014

NOOO,I think should try it and reply you

mohit9206 · May 22, 2014

I have a 7750 in my secondary pc and this sleep mode power saving thing happens to me as well sometimes though not while gaming.Its random.I have reason to believe its an AMD graphics drivers issue rather than anything else.

amd7750 · May 23, 2014

hey onus i have tried memtest i am getting 2 errors what to do ?????

amd7750 · May 23, 2014

I want to tell you that when i use sapphire trixx to increase my fan speed then my pc takes some more time to go into sleep, and when i am not using sapphire trix ,it takes only 5 minutes to go into sleep,Please help

Onus · May 23, 2014

If memtest reports errors, you have bad or unstable RAM, but you might be able to make it stable by slightly increasing its voltage (as long as you keep it under 1.6V) or slowing it down. The standard for DDR3 RAM is 1.5V; some [cheap] RAM may actually need more than that to reach its advertised timings. The Intel IMC is stressed by excessive voltage, so be careful.
If the command rate has been set to 1T, change it to 2T.
Do you have good airflow through your case? A front intake fan and a rear exhaust fan should create sufficient flow to keep a HD7750 cool enough.

amd7750 · May 23, 2014

yes my CM n200 advance is having 120 mm front and rear fan so i think ,i am having good airflow.
i want to know that with memtest you mentioned is memtest86+ or only memetest.

amd7750 · May 23, 2014

AND also at full load my GPU temp doesnot go more than 72 C, so i dont think its a case of overheating.

Onus · May 23, 2014

Well, if using Trixx to increase fan speed delays the crashes, then either the temperature sensor is off, or it isn't measuring what is overheating. If you take the side of your case off and aim a common household fan into your PC, what happens?
I think memtest is actually memtest86+.

amd7750 · May 24, 2014

but i use several softwares , they shows right temperature as at no load my temp is 40 C and at load 68 C so,i dont think so that my GPU sensor are faulty,there may be other reason. PLEASE HELP

Onus · May 24, 2014

If you take the side of your case off and aim a fan inside, what happens?

amd7750 · May 24, 2014

ok i will try

amd7750 · May 24, 2014

yes onus when take the side of my case off ,there is same result at 67 C , my screen shows same NO SIGNAL POWER SAVING MODE ,it is during furmark test SO please help

chimera201 · May 24, 2014

Hmm this looks like a similar issue:
http://www.tomshardware.com/answers/id-2089881/sapphire-260x-black-screen.html#xtor=EPR-8809
(Unsolved)

Onus · May 24, 2014

If aiming a fan into it delays the shutdown (your monitor is sleeping; the PC is shutting off), then something is indeed overheating. An idle temp of 60C for your CPU is way too hot, so it may be that.

amd7750 · May 24, 2014

IDELA TEMP IS 45 C SO I DONT THINK THAT CPU OVERHEATING IS THE ISSUE,ALSO THERE IS NO DELAY WHEN I AM AIMING MY FAN INTO CABINET.SO GIVE ANOTHER SOLUTION.HELP ME PLEASE

PC goes into sleep mode while playing games for my AMD 7750

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