How Tight Should Cpu Cooler Be



Sep 26, 2008


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  • #1
Hi,

I got an i7-930 CPU and Thermalright Ultra 120 Rev.C heatsink. How should I know if mounting screws are tight enough? I’chiliad just flake afraid to break the CPU I try to tighten the screws too much.

If i post some pictures, can you guys suggest if its loose or tight?

Cheers,
Ruben.



Feb 18, 2006


3,870


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23,165
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  • #3
Hi,

I got an i7-930 CPU and Thermalright Ultra 120 Rev.C heatsink. How should I know if mounting screws are tight enough? I’grand only bit afraid to break the CPU I attempt to tighten the screws too much.

If i post some pictures, can you guys suggest if its loose or tight?

Give thanks y’all,
Ruben.

Intel’s technical documentation says that there should be no more than 60 pounds of static force (266 Northward) on the IHS surface. If you take taken a skilful physics course or preferably applied science statics and are really handy with a micrometer, torque screwdriver, and a pencil and paper, you can figure out exactly how tightly to torque the screws to go that corporeality of force.
;)

If you lot’re similar well-nigh of the states and aren’t going to set up a force diagram of your CPU heatsink arrangement, but tighten the screws with a screwdriver until they are moderately snug and the heatsink doesn’t wiggle when you gently tug on it. Remember to tighten the screws across the socket as if you were tightening lug nuts on a car bike then y’all get an fifty-fifty tightening of the heatsink on the socket.

Pyroflea



Mar 18, 2007


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  • #two
Just tighten the screws until they’re quite snug. Every bit you lot mentioned, you don’t desire to overtighten them to the point of causing damage. As long equally the heatsink doesn’t motion if you tug on information technology, it should be good.



Feb eighteen, 2006


3,870


4


23,165
196


  • #three
Hello,

I got an i7-930 CPU and Thermalright Ultra 120 Rev.C heatsink. How should I know if mounting screws are tight enough? I’grand just bit agape to break the CPU I endeavour to tighten the screws too much.

If i mail some pictures, can you lot guys suggest if its loose or tight?

Cheers,
Ruben.

Intel’s technical documentation says that there should be no more than sixty pounds of static forcefulness (266 N) on the IHS surface. If you have taken a good physics grade or preferably applied science statics and are actually handy with a micrometer, torque screwdriver, and a pencil and newspaper, you can figure out exactly how tightly to torque the screws to get that amount of force.
;)

If you’re like most of united states of america and aren’t going to gear up a force diagram of your CPU heatsink arrangement, simply tighten the screws with a screwdriver until they are moderately snug and the heatsink doesn’t wiggle when you gently tug on it. Remember to tighten the screws across the socket as if you were tightening lug nuts on a car cycle and so you lot get an even tightening of the heatsink on the socket.



Sep 26, 2008


72


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18,630
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  • #4
All-time answer selected past rubenhak.



Sep 26, 2008


72


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eighteen,630
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  • #5
Thanks for help.
Just wanted to ostend that I did it the right mode
:)



December 17, 2008


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  • #half-dozen
Only to the betoken where the CPU casing cracks, so dorsum it off a bit.



Jun 28, 2007


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  • #seven
I think it’s at least as important to tighten all screws uniformly. Modern CPUs have heat spreaders on top. To take reward of the estrus spreader the HS surface must be in uniform contact with the surface of the spreader. Tightening one spiral more than the rest will commencement the pressure eye and alter the cooling characteristics of the HS. The previous suggestion to tighten the screws in diagonal sequence is a good 1 simply extreme care should be taken to apply equal torque. Pocket-sized torque screwdrivers aren’t expensive. Try Harbor Freight.

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Source: https://forums.tomshardware.com/threads/how-tight-should-be-a-heatsink-mounted-to-cpu.345832/#:~:text=Just%20tighten%20the%20screws%20until,it%2C%20it%20should%20be%20good.