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Starange paper on cpu

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November 13, 2012 11:58:21 AM

hi
i received a computer which suffer its CPU high temp
when turning on computer
CPU temp increase gradually from 29 to 65 in 5 minutes
so i opened the CPU heat sink to clean it then replace its cooling paste
so i found piece of papers on the front of CPU
http://im21.gulfup.com/qSBp1.png
so what that piece of paper utility
did i must remove them or keep them

More about : starange paper cpu

November 13, 2012 12:09:20 PM

That's an awful pic. Can you clear it up so we can see what is going on?
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a c 152 à CPUs
November 13, 2012 12:13:09 PM

I assume that is some sort of label and should be removed to allow for proper bonding of the CPU, thermal compound, and heatsink.
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a b à CPUs
November 13, 2012 1:30:04 PM

The only thing that should be between the cpu heat spreader and the heat sync and fan is thermal paste, someone forgot to remove the bit of paper on the pre installed thermal square compound.
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a b à CPUs
November 13, 2012 3:16:48 PM

I am pretty positive thats the bottom of the chip.... and as such the paper is irrelevant. The top would have a heat spreader unless its really really really old
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a b à CPUs
November 13, 2012 3:22:06 PM

Looking a the pic I got the same idead:it not on the top of the CPU but in the buttom.Probably some plastic paper was there and melted into the cores.I would send the computer back and demand a new CPU.If the plastic really melted into the cihp removing it might damage it.
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a c 152 à CPUs
November 13, 2012 3:31:30 PM

I couldn't open the OP's linked picture earlier, but can now. That is definitely the bottom of the CPU. If this can't be removed, I would suggest returning the CPU.

This material could be affecting the on-board temperature sensor and cause other issues as well.
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November 13, 2012 3:59:00 PM

i left the piece of paper on bottom of
CPU
and i changed the heat paste
so the the temp of CPU decreased from 70 c to 64 c without any load
so I am asking if i removed this piece of paper could that will affect CPU work
why they left paper there
might forget it or what
because i opened many type of CPU before and this is first time i see paper on bottom of CPU
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November 25, 2012 2:54:47 PM

Best answer selected by profkefah.
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