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5870 grinding fan

post #1 of 5
Thread Starter 
My 5870 suddenly began to make a grinding sound. Got any ideas whats causing it and what can be done? i haven't opened my 5870 or anything.
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post #2 of 5
prob some dust between the fan's center and the fans motor. best way i can think of is taking it apart and use compressed air.
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post #3 of 5
I'm thinking a cable maybe got loose in there if you don't have good cable management this could be an issue.
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post #4 of 5
Most probably the fan is touching the plastic shroud covering the fan.

Open your case, take the the card out then take it apart.

Leave the PCB somewhere safe and take the cooler apart, look at the shroud which the fan should be touching to while spinning. There should be some marks or tiny scratches on it which indicates where exactly fan touches to. Thin down the shroud surface with the marks using a knife or similar tool.Make sure you thinned it down enough. You won't want to do it all over again.

Then assemble the cooler parts, put the cooler back on the card and put the card back in your PC. Turn it on and cross your fingers..

Had myself a 5870 while ago and experienced same problem. That's how i fixed the noise. I hope it works on your card too!

EDIT: You'd better replace the stock TIM since you'll already have dismounted the cooler. I saw 3-4 degrees difference between stock TIM and OCZ Freeze.
Edited by Nautilus - 12/21/10 at 6:22am
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post #5 of 5
Thread Starter 
should i do this even though i still have warranty? or i shouldnt bother with XFX warranty? my cable management is alright, there are no cables that would be touching the fan, unless it was actually inside the 5870.
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Core i7 930 - 4.2ghz Gigabyte GA-X58A-UD7 ATI XFX 5870 - 1000/1295 G.Skill PI 3x2GB 
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CPUMotherboardGraphicsRAM
Core i7 930 - 4.2ghz Gigabyte GA-X58A-UD7 ATI XFX 5870 - 1000/1295 G.Skill PI 3x2GB 
Hard DriveOSKeyboardPower
300GB + 1TB Windows 7 64bit Das Keyboard Corsair HX 650 
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HAF 932 Razer Deathadder V2 Steel Series QcK+ 
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