CPU 'over temperature' even when cold, shuts down almost instantly

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Holyhunter

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Joined
Dec 24, 2010
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OK, so my computer used to have the Domino A.L.C. cooling system, until it recently started acting weird and i uninstalled it. Now i have my default Intel cpu fan installed, but anytime i start up the computer it will do one of 3 things: Say cpu is over temperature, press f1 to resume (even if i do resume it shuts down a few seconds later), then shuts down, shut down after about half a second to 5 seconds, or it will start loading windows and then instantly shut down as if the power was turned off (although the lights in the tower itself are still on). I can't actually access the BIOS to check the temperature (the computer shuts off too quickly). So...wat do

EDIT: All fans are working.
 
Joined
Jul 19, 2005
Messages
11,670
It is very likely that you may not have the processor cooler properly installed.

Here is some information on how the Intel coolers should be installed. If your cooler uses "push pins" to secure it to the motherboard watch the video entitled "Processor integration video (LGA1366). If your cooler uses the side mounted fan with screws and a backplate to be mounted on the motherboard, watch the video entitled "Intel Core it-980X Processor Extreme Edition and Intel Core i7-970 installation video".

http://www.intel.com/support/processors/sb/CS-031279.htm?wapkw=(i7+965+installation)
 

crjdriver

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Joined
Jan 2, 2001
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42,240
I agree win2kpro is correct. I would bet money you do not have the hsf installed correctly; one or more of the push-pins is not fully seated.

I always recommend pulling the board when doing a hsf on an intel type hsf. This is for two reasons;
1 With the board out of the case, you can check that each pushpin is in fact fully engaged/seated.
2 I am always scared I am going to crack a pcb or break a solder trace by pushing so hard on the board when it is unsupported. With the board out of the case, you can support the back of the board with one hand and snap the push-pins in with the other.
 
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