Black screen just after cleaning cpu

July 26, 2011 at 10:22:44
Specs: Windows, Amd athlon 64x2 3800+
I am having a black screen when I switch on my pc , my cpu fan is running so is my graphics card fan, but its not booting nothing just a black screen.
This problem started only after I cleaned my entire computer , I had dismantled my processor and cleaned the fan and I set it back. And its not booting since.
everything is perfectly put back I tripled checked and reattached my ram my gpu and my cpu but still the same problem. I also plugged my display wire into the onboard motherboard graphics switch still no luck. Any help ?
I really can't diagnose the problem since its a black screen it could be any thing.
My computer was fully functional before I did the cleaning, I had no signs of any problem.

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#1
July 26, 2011 at 10:46:13
I cleaned my entire computer
Did u use vacuum cleaner?

I had dismantled my processor and cleaned the fan and I set it back
Did u apply thermal paste? thermal paste must be applied correct
http://www.hardwaresecrets.com/prin...
http://www.youtube.com/watch?v=EyXL...

We can not fight new wars with old weapons, let he who desires peace prepare for war - PROPHET.


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#2
July 26, 2011 at 11:19:57
Yes I used a vaccum cleaner but it was a low power cleaner used for electrical and minute dust cleaning.
Oh oh no no I just removed it out of the motherboard socket the top of the processor is stuck hard to my heatsink . So i just disconcted it from my motherboard socket with my heatsink and processor attached.Thanks for the help. :) Any other suggestions I reconnected everyhthing still no luck.

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#3
July 26, 2011 at 11:35:59
It is safe to use a plastic nozzle of the vacuum cleaner to suck up dirt, dust, food, and hair from keyboards and the outside of the case. Never use an electric vacuum cleaner on the inside of the computer case. Electric vacuum cleaners create static electricity that can damage the internal components.

Battery powered handheld vacuum cleaners should not touch internal components. Getting too close can accidentally loosen cable connections, or remove jumpers from computer cards and the motherboard
http://www.wiscocomputing.com/artic...

We can not fight new wars with old weapons, let he who desires peace prepare for war - PROPHET.


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#4
July 26, 2011 at 11:52:44
I cannot access that page it is forbidden.:\ Ummm but I have been using that vaccum cleaner to clean my pc right since I got it back around 2002, its has never given me any problems and I used it to clean my motherboard and the interior of the case and my fan and my heatsink . I didn't touch my processor , it was already looking pretty clean. I did clean the socket with a soft cotton cloth.:\

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#5
July 26, 2011 at 13:16:21
Might have to reseat stuff and check for any loose cables. I guess you could remove ram as see if you get any beep codes (if you have a speaker --a motherboard type not external)

Might have sucked up a jumper.

We have used static safe vacuums for decades. If you don't have one, you can attach a paper roll or cardboard roll to the end of a regular vacuum. High velocity air can easily damage ESD sensitive parts as well. Normal way is to use an esd safe vacuum but in safe areas one could use low velocity air.

Problem with air is that junk goes back in the air and into other stuff. Bad idea.

1/3 of highway deaths are caused by drunks. The rest are by people who can't drive any better than a drunk.


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#6
July 26, 2011 at 13:28:27
"I had dismantled my processor and cleaned the fan and I set it back"

You can't dismantle a processor. That's like saying you can dismantle a spoon.

"before I did the cleaning, I had no signs of any problem"

Then it would seem that you damaged something either during disassembly or re-assembly.

"i just disconcted it from my motherboard socket with my heatsink and processor attached"

Are you saying you left the CPU & heatsink in place & simply removed the fan to clean the blades? Or that you ripped the CPU/heatsink combo out of the socket without separating them? Generally, the CPU cannot be removed from the socket without 1st removing the heatsink because the heatsink blocks access to the CPU locking lever. Just in case you ever attempt this again, what you should have done was run the computer for a while to heat up the CPU & soften the thermal material bewteen the CPU & heatsink. Then immediately shutdown the system, unplug the power cord, & unlatch the heatsink. Usually a slight twisting motion is all it will take to break it free from the CPU. Once the heatsink is off, you have access to the CPU locking lever.

So if you did rip them out as a unit, how were you able to get the CPU reinstalled in the socket again without access to the locking lever?



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#7
July 26, 2011 at 18:40:11
From the description it definitely sounds like ripping out of the CPU from it's socket while it was still attached to the heat sink. This is very bad.... You need to see if the CPU was damaged. You need to see if the CPU locking mechanism or the socket itself was damaged or not. IF the CPU, the socket, and the CPU retention/locking mechanism are ALL good, then you need to CAREFULLY remove the CPU from the heat sink, clean both surfaces, reinstall the CPU properly, add the CORRECT amount of new thermal paste, and reinstall the heat sink. (Some instruction links were given above, ask for anything else you may need.)
Look at:
http://www.arcticsilver.com/methods...

You have to be a little bit crazy to keep you from going insane.


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#8
September 7, 2011 at 10:41:15
I had the black screen last night after pulling off the heatsink to repaste and because the cpu was stuck to it I neglected to notice the little lever on the mother board that you need to lift up b4 putting in the cpu and locking into place. I literally spent hours turning it on and off, checking the CPU ect. All along it was because the cpu was never making contact. So make sure you arent forgetting the lever!

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