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Is my CPU dead?


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#1 Jrencore

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Posted 23 June 2017 - 01:46 PM

So yesterday i bought cans of compressed air to give my year and half old pc some much needed dusting and cleaning. This is my first PC as well as the first time ive ever built one. I went about dusting all of it but i had to take my cpu fan off to get clumps of dust underneath. I barely touched the anything and i tried not to touch anything with my fingers. But as my luck would have i went to turnnit back on after i cleaned it and all of my fans were spinning but it wont show a display. Im really not sure what i could have done in the 5 minutes it took to clean it and im concerned that somehow i messed up my cpu. I can give any specs if you need but Please let me know any ideas so i can have my pc back. Thanks in advance.

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#2 mikey11

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Posted 23 June 2017 - 03:03 PM

check to make sure your ram is seated correctly, maybe you bumped it out of place,

 

where you removed the cpu fan did you only remove the fan? or the entire heat sink?

 

maybe the heat sink is not seated properly on the cpu,

 

if you did remove the heat sink you should be applying new thermal paste before re installing



#3 MadmanRB

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Posted 23 June 2017 - 03:10 PM

Indeed you may knocked something out of the place.


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#4 MrSippi

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Posted 23 June 2017 - 08:02 PM

Any post beeps?


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#5 ranchhand_

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Posted 24 June 2017 - 09:10 AM

 

i had to take my cpu fan off

Did you remove only the fan, but not the heatsink? Or...did you remove the heatsink and fan assembly together? If that is the case, please explain in step-by-step detail how you re-mounted the fan/heatsink assembly.


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#6 Mike_Walsh

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Posted 25 June 2017 - 07:00 AM

It's entirely possible that, during the process of removing/replacing the fan and/or heatsink, you may have inadvertently knocked the CPU's power lead. This usually plugs into the mobo (from the PSU) fairly close to the CPU socket.

 

It's easily done, and with the locking mechanism on the plug connector, you can still have an apparently locked connection, yet a bad 'contact' between plug & socket. Best to completely unplug it, then firmly plug it back in again.

 

Just my two penn'orth.

 

 

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Edited by Mike_Walsh, 25 June 2017 - 07:36 AM.

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#7 MrSippi

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Posted 25 June 2017 - 07:38 AM

That's a thought, it's right next to the CPU.


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#8 MDD1963

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Posted 25 June 2017 - 07:29 PM

let us hope there was no compressed air sprayed directly on the cpu and/or socket without waiting for condensation to completely evaporate before powering back on, as condensation/water sometimes occurs with many typical compressed air cans...


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#9 Jrencore

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Posted 25 June 2017 - 08:33 PM

 
i had to take my cpu fan off

Did you remove only the fan, but not the heatsink? Or...did you remove the heatsink and fan assembly together? If that is the case, please explain in step-by-step detail how you re-mounted the fan/heatsink assembly.


#10 Jrencore

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Posted 25 June 2017 - 08:36 PM

I only took off the cpu fan to clean the heatsink then put the fan back.

#11 Jrencore

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Posted 25 June 2017 - 08:46 PM

Ok so i tried removing the the heatsink so i can break the seal of the thermal paste a take a better look but when i released the clamp and tried to take my processor out it wouldnt come out easily. Hope i didnt break my motherboard socket or something.

#12 Jrencore

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Posted 25 June 2017 - 08:52 PM

so i managed to get it off. I feel really stupid right now but everythings looks fine and im not sure what im looking for.
I already tried reconnecting the cpus power lead and got nothing.

#13 MrSippi

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Posted 25 June 2017 - 09:10 PM

Busted!  :whistle:


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#14 ranchhand_

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Posted 26 June 2017 - 07:18 AM

 

when i released the clamp and tried to take my processor out it wouldnt come out easily.

If your processor is still removed, turn it over and carefully check for any bent/broken pins. Hold it under a bright light and slowly turn it so you can see down the rows of pins; all should be straight and even with none  bent over or out of line.

If you did re-mount the CPU, did it settle easily into place on the mounting socket of the mainboard, or was it slightly "rocking back & forth" when you locked the heatsink back down?


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#15 Jrencore

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Posted 26 June 2017 - 12:25 PM

 
when i released the clamp and tried to take my processor out it wouldnt come out easily.

If your processor is still removed, turn it over and carefully check for any bent/broken pins. Hold it under a bright light and slowly turn it so you can see down the rows of pins; all should be straight and even with none  bent over or out of line.
If you did re-mount the CPU, did it settle easily into place on the mounting socket of the mainboard, or was it slightly "rocking back & forth" when you locked the heatsink back down?
it rests fine in the socket. A bit confused at this point... all the pins are fine. I took all the components out of my computer and put them onto a bleepty motherboard along with another bleepty processor i have in the mean time. Thanks for the help.




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