Cleaned CPU and reinstalled, now won't boot

September 9, 2010 at 15:28:38
Specs: Windows Vista
I took out the CPU attached to the heat shield of my HO pavillion,cleaned and reinstalled. Now the computer will power up (fans and such) but there is nothing going to the monitor

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#1
September 9, 2010 at 16:17:26
Explain why you felt it was necessary to remove the CPU & clean it? If anything, the heatsink *may* have needed cleaning, but that can *usually* be accomplished with compressed air...removal generally isn't necessary unless the dirt/dust is extremely bad, like THIS one.

Which type of thermal material did you use between the CPU & heatsink? Depending on the CPU type, either a tiny dab or a thin line of paste is all that's needed. Find your CPU at the following site & read the instructions:

http://www.arcticsilver.com/methods...


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#2
September 9, 2010 at 18:56:39
The removal wasn't exactly intentional. The CPU is still stuck tight of the heat shield.

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#3
September 10, 2010 at 05:18:42
Make Sure that the CPU is not damaged, i've had this happen to me before, you really need to clean the Paste off the CPU between the heatsink. Be sure to apply some new Thermal Compound. If the CPU is damaged you will need a new one.

Also since you did not intend on removing the CPU make sure the ZIF is up and your pins are alined with PIN 1 http://www.iwebtool.com/what_is_zif... you should not force the CPU in you will bend a pin


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#4
September 10, 2010 at 06:05:26
You didn't answer WHY you needed to remove the heatsink. Were you having an overheating problem? What you *should* have done was gently twist the heatsink back & forth until it broke free from the CPU. You must have just given it a hard yank?

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#5
September 10, 2010 at 08:29:39
Thanks for the help. I was not able to seat the CPU while it was stuck to the heat sink because the sink blocked the ZIF. But the I got the CPU to heat up enough and it freed from the sink. Then I could properly reset the CPU and put back together. Thanks again for all the input.

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