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GFX overheating? What is a good temperature

Wej

Wej

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I've recently been having problems with my 7600GT where after a period in game (mainly Oblivion and HL2) the red vanishes from the palette. Usually if I exit the game, the colour returns, although sometimes this takes a few minutes.

I've since installed nTune and run the stability test, and the temperature normally is about 55 (GPU1) in Windows which seems a little high. During the stability test it gets up to around 65-70 and during this the loss of red seems to kick in. Stop the stability test and once the temperature dips below about 57/58 the red returns again.

Couple of questions: -

1. Is this running very hot? I know my airflow is not particularly good (and I had planned to improve it) but what sort of temp should I be monitoring?

2. Has anyone else had this sort of issue with loss of a primary colour, particularly as a consequence of overheating?

3. What's the best solution, fan-wise? I've got a cheapo case, and the only extra grill is at the back halfway down? Should I be sucking or blowing (oo-er)?

EDIT: I forgot to say, it's with the stock cooler. How easy is it to replace?
 
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Those temps sound fine for a GPU, but from what you have said, it does indeed seem to be a graphical temperature issue.

Try positioning an extra fan blowing in the direction of the card and do an hour or two of gaming, see if it makes a difference. Also are you running the card at stock speeds?
 
Yes, everything's at stock. I could position an inlet fan at the back sucking in (the PSU blows) and see if that helps, but what surprises me is that the temperature rise is only 10-15 degrees - I though most of these things were stable much higher than 70.
 
My overclocked 7600GT always remained very cool. They don't use much power and should not get hot at all, to be honest.

65-70C isn't that hot. Not hot enough to cause problems anyway. I would not be happy if my 7600GT had run at 55C idle, but it's a personal thing - it should not mess up your colours.

You should aim to bring cool air through the front of your case. It should flow across the components, and should then be exhausted out of the back. Use 120mm fans if possible, anything smaller could be noisy.
 
Unfortunately it's not possible to bring air through the front - it's a small case and there is no way to bring it in, not even with some dremelling!
 
108 will do this to ya

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Gave it a clean out and used some compressed air and a soft paintbrush and temps dropped 40-50 degrees
 
But mine is losing this colour a lot lower temperature wise and is a new build, i.e. clean.

But what else could cause it, if it runs stable in Windows and this only happens in games...?
 
Unfortunately it's not possible to bring air through the front - it's a small case and there is no way to bring it in, not even with some dremelling!

can you take the side off and use a desk fan, then run oblivion and see what happens
 
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