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Black Screen Problem with GTX 660 OC'd by myself

Tags:
  • Gtx
  • Memory
  • Speed
  • FPS
  • Graphics
Last response: in Graphics & Displays
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December 3, 2013 1:46:49 AM

Hello, so i recently put up another memory speed of my GTX 660 to +450 that makes my memory speed around 1752Mhz(i forgot). My core speed was already +50 and i didn't tweak anything to it because it's the max(1083Mhz). So after a good 5 hour of gaming i was playing Chivalry Medieval Warfare and halfway it kinda give me a black screen but get right back up and i lost a decent loss of fps from 60 capped FPS to 30 FPS. i thought it was because of the game so i head off to Battlefield 4 from which i usually got 50-60 fps never dropping to 40 FPS it dropped to 25-30 FPS. Can anybody tell's me how to fix this, i checked my GPU Usage via EVGA Precision X on Chivalry (it doesn't support 64 bit, BF4 is 64 bit) and it was only 60%. Did i broke my GPU or what? and should i lower down the overclocking?

More about : black screen problem gtx 660

December 3, 2013 2:02:27 AM

Lower your OC, this shows that you have not stress test your GPU well enough after OC. Try dropping a nocth or so and test again.
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December 3, 2013 2:06:55 AM

I don't know any GPU Stress test app though, What's a good one?
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December 3, 2013 2:06:55 AM

I don't know any GPU Stress test app though, What's a good one?
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December 3, 2013 5:11:37 AM

use MSI Kombuster for stress test. I have Palit GTX 660ti jetstream and I use this app after ocing gpu. Are you expert in ocing kepler gpu? if not then first watch some tutorials before doing anything. I don't know about memory, but your core step up is not so high. I have tested upto +100 MHz and Ram +200Mhz with 113 power limiter. It runs ok in my system.
Spec: 
i5-3450 ocd to 3.87 GHz
Asus P8Z77v
RipjawsX 8GB
Neutron GTX SSD
GX550W PSU
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December 3, 2013 5:54:44 AM

My first GPU OC. I tried to raised up the core speed to 60Mhz but it have graphical glitches on Heaven so i settled down with 50Mhz. I'll try the MSI Kombuster, how long should i run it?
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Best solution

December 6, 2013 4:11:27 AM

Run it for 1 hr and monitor carefully the max temp and the graphics. If you can notice any irregularity in display reduce the both clock and observe carefully. But please keep in mind that a successful stress test does not ensure that your game will run smooth. Use Afterburners on screen display of temp during game play. For me one thing goes wrong and during game play of ROME II my custom fan speed curve of Afterburner some how stopped working and my OC'd gpu reached temp of 92C and game fps reduced to 17-18. Luckily my gpu not get fried and I have restored factory clock speed.
So, DO IT ON YOUR OWN RISK.
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