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Help scratched aircooler

post #1 of 16
Thread Starter 
Hi, I'm new to Overclock.net!

I just recently bought a heat sink second hand (Noctua NH-D14) and there are a few scratches on the contact end.

My questions is, are these scratches too much? Should I apply thermal grease on it? Or do I need to use sandpaper? (Ok that was 3 questions)

I would hold off from sanding it down as my last option.

I attached a picture of the scratches to this thread.

Cheers,

Gabe
post #2 of 16
I'd be sending that back on warranty before I even touch it.
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Ol' Sandy
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post #3 of 16
Quote:
Originally Posted by tompsonn View Post
I'd be sending that back on warranty before I even touch it.
Its second hand?...
post #4 of 16
Sand and polish.
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post #5 of 16
Quote:
Originally Posted by oceanlyner View Post
Its second hand?...
Yep, it is. As usual I can't read!
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Hitachi HDS723020BLA642 Hitachi HUA722010CLA330 WDC WD10EARS-00Z5B1 TSSTcorp CDDVDW SH-S223B 
CoolingCoolingOSMonitor
Phanteks PH-TC14PE with TY-140's Lamptron FCv5 (x2) Windows 8 Pro 64-bit Dell U2412M 
MonitorMonitorMonitorKeyboard
Dell U2412M Dell U2212HM Dell U2713HM Topre Realforce 87UB | Ducky DK9087 G2 Pro 
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post #6 of 16
assuming they are not deep gouging scratches you should be fine without doing anything. this tends to happend to the cooler over time with vibrations and moving & whatnot (mine has some scratches on it too, but it still works just as great as when i got it)
post #7 of 16
Since second hand get some fine grit sand paper and sand her down. Easy enough to do.
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post #8 of 16
If its under warrenty, Deffinatly return it.

If its not, then you have 2 options
1) preapply Thermal grease over that area of the heatsink, so the thermal grease fills the gaps, then using a peice of paper, remove any thermal past that is on the heatsink and apply like normal to the CPU
2) Sand and polish it, This will give you a better result that Option 1), but is also a lot more work!
    
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post #9 of 16
For the love of god don't just sand with your hands. You will create an uneven surface, and THEN that will definitely hurt the cooling performance. Tape your sandpaper down on a sheet of glass, and then draw your sink across that. This will give you a very even surface.
post #10 of 16
Just lap it and you will be good to go!
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