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Laptop Heatsink


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3 replies to this topic

#1 mar5hy

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Posted 19 March 2008 - 06:40 AM

Hi all,

My laptop keeps turning itself off.

I opened it up, the fan appears to be spinning fine.

Not sure of the exact term, but the liquid/silver substance which sits between the processor and the heatsink, there is barely any there. This maybe the problem, any suggestions?


Thank you

Dave
Brighton, UK

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#2 hamluis

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Posted 19 March 2008 - 08:10 AM

No solution, just a clarification: Did you remove the heatsink/fan from the CPU?

Manufacturer and model for the laptop?

Louis

#3 mar5hy

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Posted 19 March 2008 - 08:22 AM

No solution, just a clarification: Did you remove the heatsink/fan from the CPU?

Manufacturer and model for the laptop?

Louis


Hi Louis,

Yes with everything turned off.

I removed the fan, then on the processor there was barely any of the slivery/white sustance you normally find on processors?

Whats it called?


The Laptop is a Hi-Grade, unsure of the exact model number

cheers

Edited by mar5hy, 19 March 2008 - 08:23 AM.

Brighton, UK

#4 dc3

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Posted 19 March 2008 - 11:56 AM

The paste is called thermal compound. There shouldn't be very much as all it does is fill in the extremely small gaps between the CPU and the heat sink to help conduct the heat from the CPU out through the heat sink. Since you have already separated the heat sink from the CPU I would suggest that you clean both surfaces and apply a fresh coat of thermal compound, a lot of people prefer Arctic Silver. All you need is a drop no larger than a small grain of rice, distribute evenly over the metal surface of the CPU where the heat sink matches up.

While you have it apart, take a can of air and blow the insides out, including the heat sink.

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