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Quick Q: How tight to fasten heatsink to motherboard?

post #1 of 3
Thread Starter 
Putting my computer back together now and wondering how tight to tighten the screws that fasten the heatsink to the motherboard?

I usually tighten the screws into the nutbolts as tight as it goes until the nut actually starts to move. I generally get higher temps than I would like, wondering if I should leave it a little bit loose?

How tight? TY
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7-920 @ 4.0ghz EVGA x58 SLI3 HD5970 2GB 12GB Corsair 1600mhz 
Hard DriveOSMonitorKeyboard
Samsung Spinpoint F3 1TB x3 Windows 7 64-bit Acer H243H 1920x1080 Logitech G15 
PowerCaseMouseMouse Pad
850W Corsair Antec 1200 Logitech G5 Alienware 
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post #2 of 3
Thread Starter 
To get ideal temps do you guys leave the heatsink a little loose or tighten it as tight as possible? I'm not sure which would make more sense. I have thermal paste in between the heatsink and cpu so
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7-920 @ 4.0ghz EVGA x58 SLI3 HD5970 2GB 12GB Corsair 1600mhz 
Hard DriveOSMonitorKeyboard
Samsung Spinpoint F3 1TB x3 Windows 7 64-bit Acer H243H 1920x1080 Logitech G15 
PowerCaseMouseMouse Pad
850W Corsair Antec 1200 Logitech G5 Alienware 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7-920 @ 4.0ghz EVGA x58 SLI3 HD5970 2GB 12GB Corsair 1600mhz 
Hard DriveOSMonitorKeyboard
Samsung Spinpoint F3 1TB x3 Windows 7 64-bit Acer H243H 1920x1080 Logitech G15 
PowerCaseMouseMouse Pad
850W Corsair Antec 1200 Logitech G5 Alienware 
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Reply
post #3 of 3
Tighten it to where it's tighter than you could do it with fingers, but not tight enough to the point where you're maxing out the thread.

I usually do all the way threads (I do a cross pattern, go to one bolt, tighten a little bit, cross, tighten a bit, repeat this until all your bolts are COMPLETELY tightened, only doing small increments, to keep even pressure, then back it out about 1 or 2 revolutions.
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