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how do i tell if my cpu is dead? - Page 3

post #21 of 27
Its very hard to kill a CPU

you probably cracked the mobo or something while mounting the heatsink

just RMA and see if it works

also getting AS5 on the mobo wouldnt do anything so why was everyone talking about that
    
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post #22 of 27
I had a similar problem with my old ECS board, but it died miuch more suddenly.
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post #23 of 27
Also check that the back plate of the new cooler and make sure it isn't shorting out any components on the back of the board. If the back plate touches both sides of capacitors or resistors this would cause a problem with the board. The soldering mounds can pierce through the thin insulation on the back plat and short out. Just an idea.
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post #24 of 27
Quote:
Originally Posted by born2killU View Post
Its very hard to kill a CPU

you probably cracked the mobo or something while mounting the heatsink

just RMA and see if it works

also getting AS5 on the mobo wouldnt do anything so why was everyone talking about that
I guess I could point you to the threads where were have talked about this before, but then if you really wanted to see them you could search for them. AS5 certainly will kill your motherboard. The latest one I remember is Cognoscenti. There are pictures in the thread if you want to look for them.
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post #25 of 27
Thread Starter 
smee gets points for being right. i took everything apart and tried to assemble the base parts outside my case, still didnt work. i then thought it could be the backplate (it has a cushiony bit to stop contact, but the S3 has hundreds of contacts at the back of the processor). taking off the backplate i thought i'd broken my mobo cos the contacts had stuck into the foam so hard i couldnt pull it off so had to twist it left and right over and over and it scratched the crap outta the back of my mobo. got it off eventually, but some insulating tape between the mobo and the backplate, stuck everything back togother again, and now it works.

im gonna have to take it apart again to put my AS5 on again properly, not expecting it to work it didnt really do a good job, and my temps have gone up about 7c from when i first put in the tuniq, still less on 100% stress than they used to idle though. i just couldnt face doing it again today, my fingers are cut to pieces and raw so im going to heal first.

thanks for all the help though, + reps have gone out.
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post #26 of 27
Sometimes it is the little things that cause the most problems. A simple backplate and then nothing works. Well I’m glad to see that everything is working for you. Hope you get the temps down and everything working correctly.
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post #27 of 27
Quote:
Originally Posted by wonglf View Post
i installed a new CPU cooler on my computer and when i turned it on it seemed slower, forze a few times, and now all i get when i turn it on is a blank screen. i've cleared CMOS (jumpers and left battery out overnight), reseated my cooler, tried various configurations of unplugging stuff not essential, etc etc, all i get is a blank screen (lights come on, HDD spin up a little bit, fans come on). have i killed my CPU or just my mobo?
is there any way to tell which is dead? or anyway to fix this???
please help, im going mad trying to figure this out
Most times this indicates a BIOS checksum problem of some sort...
Try the CPU in another board to be positive however.
A faulty BIOS (as I have learned) will throw you off sometimes...and you may lose valuable hardware due to the misconception.
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