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Old Sep 17, 2011, 09:50 AM   #1
Marcush1286
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7800GT on Quad noisy.. what to do?

Hello,

I have a Quad G5 with the 7800GT graphics card. The machine itself is super super quiet thanks to having the single pump LCS. But for some reason the fan on the 7800GT is making quite a bit of noise. Is there a way I can lubricate the fan bearing on it, or should I just get a new card?

I was thinking of getting the 7800GTX which is a much faster card and has beefier memory on it of 512MB.

Someone please advise, as I am thinking of putting back in my G5 the 6600 as the noise from the fan in this card is driving me crazy!
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Old Sep 17, 2011, 11:14 AM   #2
CubeHacker
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Check around online, as you may be able to find a nice replacement cooling solution for the card. Perhaps something from Arctic Cooling, as they make very nice and quiet GPU coolers.
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Old Sep 17, 2011, 11:44 AM   #3
Marcush1286
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Ok, but can't I just lubricate the bearing to quiet this thing down?


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Originally Posted by CubeHacker View Post
Check around online, as you may be able to find a nice replacement cooling solution for the card. Perhaps something from Arctic Cooling, as they make very nice and quiet GPU coolers.
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Old Sep 17, 2011, 12:31 PM   #4
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Quote:
Originally Posted by Marcush1286 View Post
Ok, but can't I just lubricate the bearing to quiet this thing down?
It would already have lubricant of it's own that will last years upon years. It is the noise it is and to get a quieter one you will need an entirely different fan.

It's a fans own design that makes it loud or quiet. Not lack of bearing lubricant. You could even mess things up on the card by adding foreign liquids to your hardware.
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Old Sep 18, 2011, 03:58 AM   #5
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There is a replacement fan for that card somewhere. Google around.

But I hated the one I had on a Quad, too. The noise was amazingly annoying.

Get the Quadro card, I thought it was a better card anyway. I had a flashed PC Quadro, worked great on a Quad.
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Old Sep 18, 2011, 01:26 PM   #6
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I had the same problems with mine so I replaced mine with the NV Sliencer V5. I had to grind the back screws down as it wouldn't fit back in the G5 properly as they would hit the metal divider plate.

I have a thread about it, I'll see if I can find it.

> http://forums.macrumors.com/showthre...462&highlight=
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Old Sep 18, 2011, 03:16 PM   #7
burnout8488
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If your fan bearing truly is dirty and noisy, I have a solution, works for me every time. If the fan by nature is loud, this won't help.

I've bought a few secondhand items that have fans that are extremely loud, or spin very slow because they have never been cleaned.

Remove the fan itself, and disassemble it as far as it will go. Blow as much dust out as you can. Soak the fan in Marvel Mystery Oil so the oil can penetrate 100% into the motor. (Any auto parts store should have this) It's a viscous red liquid that smells minty. Once the MMO has penetrated it after about an hour, remove the fan and let it drain on a paper towel for a WHILE. Clean as much of the stuff out as you can. Once you're confident the oil won't leak out, test out the fan, I bet it'll spin like the dickens.

I've rejuvenated countless fans using this method, and they still work great after months of service. The soak pretty much replaces the dirt in the bearing with oil, and the contaminants flow away.
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Old Sep 18, 2011, 07:11 PM   #8
Marcush1286
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Forget it.. just got a new card

Just got a 7800GTX for less than 150.00 and besides, its a better upgrade.
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