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Asus GTX 560Ti stays on idle clock speeds

post #1 of 5
Thread Starter 
I've read that GTX 560Ti should overclock pretty easily, so I thought that I want to overclock my GTX 560Ti to something around 900mhz core & 2200mhz memory.

When I tested these overclocks, there were no problems at all running furmark and temperatures stayed under 80C too. Then I also play some games and there are no problems and temperatures stay under 70C. But after my computer has been on for some hours, my gfx card decides to stay on idle clock speeds no matter what and restarting PC fixes it.

So anyone got some ideas how to fix this problem? I am using MSI Afterburner to overclock my gfx card and I have kept gfx voltage on default. Should I up voltage and if I do so, what are safe values I should go for?
Edited by kolarrrri - 10/27/12 at 8:24am
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post #2 of 5
am not sure what u mean-the card should stay at default/idle clocks unless u run a game or 3d app. it's normal for a card to adjust clocks in real time. if ur card stays at idle clocks when u run a game then something is screwed badly.

btw, feel free to push it harder, i have mine rocking at 990gpu (in some games 1GHz) and 1260mem. all that at max voltage and temps ~67-77C.
so don't worry the gtx560s are tough bastards!
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post #3 of 5
Thread Starter 
Quote:
Originally Posted by rainbowart View Post

if ur card stays at idle clocks when u run a game

This is what I mean. Everything works normally for couple of hours or so, but sometimes after my computer has been on for some time, my card just stays at idle clock speeds even if I am playing..

Edit: what drivers are you using? I currently use 301.42. I read that this could be driver issue too.
Edited by kolarrrri - 10/27/12 at 8:20am
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post #4 of 5
Try updating to the latest 306.97

Use this guide to remove your existing GPU drivers.

Alternatively, you could try something different. Go to the Nvidia Control Panel/3D Settings/Manage 3D Settings
Here, change the "Power Management Mode" to "Prefer Maximum Performance"

As for your overclock, any voltage will be fine as long as you don't cross 95c, but for daily use, I prefer staying in the 75c zone.
If at all it helps, on a single GPU, my max was core: 975 & memory 1205 @ 1.075v within 75c, had to bump up the fan speed a little.
post #5 of 5
Thread Starter 
Updated my nvidia drivers yesterday and this problem seems to be gone!
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