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Radeon 4850 Overheating

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May 10, 2010 11:19:45 PM

Right, so my PC runs pretty stable (55 celsius on load) but while I play GunZ, a game made 6 years ago, my Radeon 4850 overheats while I'm in the LOBBY, which apparently uses 50% GPU power.

IDK if the game is poorly coded or what, but I didn't have these overheating issues in my old case. I then left the Radeon 4850 lying around on my floor for a couple days before I assembled my new system.

I have cleaned out the 4850's fan with a cotton swab, and that lowered the temperature by like 10 celsius. However, when i'm in the lobby I hit 100% celsius. When I alt + tab, I see my temperature dropping to 64 celsius in a matter of 30 seconds
a b B Homebuilt system
May 10, 2010 11:22:03 PM

Check to see if there is a newer driver.
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May 11, 2010 1:47:07 AM

Thanks, but that didn't do anything. I'm thinking it might...be the heatsink? But then again, the heatsink is screwed on by SAPPHIRE>
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a b B Homebuilt system
May 11, 2010 1:53:03 AM

Open the catalyst control center. Click the ATI overdrive link. Try using the manual settings to increase the video card fan.
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May 11, 2010 12:32:44 PM

The fan was always at 100%
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a b B Homebuilt system
May 11, 2010 2:12:53 PM

Does this happen in all games?

If yes, you can try an aftermarket GPU cooler, but you may want to look at the prices of new video cards.
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May 11, 2010 2:47:30 PM

agh =\ is there really no other way? it worked beautifully in terms of cooling in my old case.
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a b B Homebuilt system
May 11, 2010 2:52:59 PM

What kind of case do you have now? Poor air flow?

You can try removing the side of your case. That should drop the temps, but I don't know if you'll like that as a permanent solution.

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a b B Homebuilt system
May 11, 2010 4:36:12 PM

Silly question, but is the fan actually still working? If your fan's been running at 100% for several years, it might just not be up to snuff today.

Also as aford said, check to see if this behavior occurs in other games.
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May 11, 2010 11:53:17 PM

Happens in all games. To me, it sounds like the heatsink thermal paste has worn out. I mean, if it's 62 degrees celsius on idle, that means the air inside is cool. I've got 7 fans inside, and the processor never goes past 55 celsius on load.

Sounds like a heatsink issue, right? The moment the GPU starts doing work, it overheats.
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