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Help with GTX 770 Lightning! - Page 3

post #21 of 54
Thread Starter 
Quote:
Originally Posted by littledonny View Post

If the card is not stable with the settings it shipped with, it is defective. Send it back and avoid the headaches.

Even if it is just the one program?
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post #22 of 54
Have you tried doing the steps I told you? They would troubleshoot if the problem comes from software, PSU or GPU...
Prime95+Kombustor=PSU load
iGPU Heaven run=Faulty GPU
Clean OS install=Software/Drivers
Wild guesses to what the problem might be won't help you fix it and it will be more frustating cause the clock is ticking and you'll have to jump into a decision. Sooner or later.
And don't RMA it like it was advised by another poster if you can return it.
post #23 of 54
Quote:
Originally Posted by PinkoTheCommi View Post

Even if it is just the one program?

How does the card react to overclocking in other programs?
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post #24 of 54
Thread Starter 
Quote:
Originally Posted by Tokkan View Post

Have you tried doing the steps I told you? They would troubleshoot if the problem comes from software, PSU or GPU...
Prime95+Kombustor=PSU load
iGPU Heaven run=Faulty GPU
Clean OS install=Software/Drivers
Wild guesses to what the problem might be won't help you fix it and it will be more frustating cause the clock is ticking and you'll have to jump into a decision. Sooner or later.
And don't RMA it like it was advised by another poster if you can return it.

I have not yet tried the Prime95 + Kombustor, I will do that after I try the iGPU and run Heaven.
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post #25 of 54
Thread Starter 
Quote:
Originally Posted by littledonny View Post

How does the card react to overclocking in other programs?

I haven't overclocked the card at all. It comes with the factory OC on it, which is +39 over what it should be. Card specs say it should come at a 1202Mhz boost clock out of box. Mine was running 1241. On LTT, it was mentioned that this number is rarely the same as what the card specs are. They called it a lottery of the GPU. Sometimes you get higher, sometimes lower, but it should work out of the box. The highest someone mentioned was 1264 at factory OC for a 770 Lightning, but they didn't have the same problem as I have.
Edited by PinkoTheCommi - 3/1/14 at 4:45pm
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post #26 of 54
Thread Starter 
Quote:
Originally Posted by Tokkan View Post

Have you tried doing the steps I told you? They would troubleshoot if the problem comes from software, PSU or GPU...
Prime95+Kombustor=PSU load
iGPU Heaven run=Faulty GPU
Clean OS install=Software/Drivers
Wild guesses to what the problem might be won't help you fix it and it will be more frustating cause the clock is ticking and you'll have to jump into a decision. Sooner or later.
And don't RMA it like it was advised by another poster if you can return it.

I just performed the Prime95 + Kombustor test:
I first started up Prime95 in Blend, let that run for a few minutes to get it going.
I then turned up all of my case fans to 100% to really simulate max power draw.
For good measure, I also plugged in my cell phone and Kindle fire through the 2 USB ports in front to charge.

Next I run Kombustor:
1st I run it in GPU Burn In at 8xAA, DX11, 1920x1080, full screen for 10 minutes with no problems. TPD never exceeded 65%, Temp at 70C max, and it took 10min to achieve 70C.



2nd I run the 3D Test(stress test) 8xAA, DX11, 1920x1080, full screen, GF OC Test 4 , for 10 minutes


I notice an extreme chug when I started the 3D test. It only lasted for 2 seconds and then ran as it should.
There was also the occasional mini-stutter(more of a lag), I figured this is just from so much going on at once, it happened inconsistently, throughout the 10 minutes. The GPU load on this 3D stress test was somewhat erratic. It would go as high as 94%, then drop to 77%, then back to the 90s. It would sometimes stabilize around 90, but never seemed to stay consistent for too long. TPD never exceeded 76% for this test, and temperature maxed at 78C.

I know that the GPU load dropping is bad, but what does it mean? Can we rule out the PSU being the cause of this problem after this test? I have yet to conduct the iGPU test, will do that now.
Edited by PinkoTheCommi - 3/1/14 at 6:30pm
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post #27 of 54
Thread Starter 
Quote:
Originally Posted by Wihglah View Post

I had an Lightning 770 GTX with the same exact issue.

It got RMA'ed.

MSI is now on my never buy again list.

Were you able to run other games just fine, experiencing everything normally, it was just Unigine that worked improperly?
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post #28 of 54
Quote:
Originally Posted by PinkoTheCommi View Post

I haven't overclocked the card at all. It comes with the factory OC on it, which is +39 over what it should be. Card specs say it should come at a 1202Mhz boost clock out of box. Mine was running 1241. On LTT, it was mentioned that this number is rarely the same as what the card specs are. They called it a lottery of the GPU. Sometimes you get higher, sometimes lower, but it should work out of the box. The highest someone mentioned was 1264 at factory OC for a 770 Lightning, but they didn't have the same problem as I have.

You should play with the boost clock and see how close to the edge of instability it is at factory boost. If it's pretty close, then I would send it back.
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post #29 of 54
Thread Starter 
Quote:
Originally Posted by littledonny View Post

You should play with the boost clock and see how close to the edge of instability it is at factory boost. If it's pretty close, then I would send it back.

I do play at factory boost. That is what factory overclock means. It is specified at 1202 out of box. Mine came at 1241 out of box.
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The Peacemaker
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post #30 of 54
Thread Starter 
Quote:
Originally Posted by Tokkan View Post

Have you tried doing the steps I told you? They would troubleshoot if the problem comes from software, PSU or GPU...
Prime95+Kombustor=PSU load
iGPU Heaven run=Faulty GPU
Clean OS install=Software/Drivers
Wild guesses to what the problem might be won't help you fix it and it will be more frustating cause the clock is ticking and you'll have to jump into a decision. Sooner or later.
And don't RMA it like it was advised by another poster if you can return it.

I did the test where I disable the dedicated graphics card and run it on the iGPU. It started out fine on low settings and then 3/4 of the way through, it experienced a driver crash. Not Unigine encountering a problem, an actual crash of the video card.

After trying that, I re-enabled my Lightning and tried out Unigine Heaven, stock settings, and Heaven on Ultra, 8xAA, Extreme Tesselation. It loaded, which doesn't always happen. It even ran for a full two loops. I did notice a lot of undesirable effects while watching these two loops. Things like tearing, stutter, lag, transitions between scenes taking a long time, and sweeping camera angles that were not smooth. There is also a blue flag against the sky in one scene and there was a trail of blue behind the flag that I don't think was programmed in. But it ran, and at good temps, less than 70C. Are these undesirable effects a result of a bad card, or I put the settings too high and the GTX 770 Lightning simply can't handle Unigine cranked up that high?

After two loops in Heaven, I decided to try Valley. Valley seemed to load and work much better, I wasn't experiencing such bad irregularities like in Heaven, but the temperatures were reaching up to 72C. I did a full two loops in Valley.

I wanted to be sure that this working wasn't a fluke, so I booted up Heaven again. It ran for about 1/4 of a loop and then I experienced the same crash that had always been happening.


I am as stumped as ever. I wish that guy who had the same problem would reply back so I can talk with him.
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