Heatpipes rely on a cooling material inside the coper
tube and do wear out.

All laptops made in the past few years use heatpipes,
not simply heatsinks. One 
of the parts I was sure to swap before my Dell went
off warranty "just to be safe".


DHSinclair wrote:
> Well, I do not know the actual construction of the
'suspect' heatsink.  
> Thane is way up north. I am way south and west of
him. Snot like I got 
> to put 'eyes' on the problem.  I read here it was of
the new "heatpipe" 
> varieties.  I have no experience with a "heatpipe"
type HS yet.
> I still live in the solid metal chunk heatsink
world.  They are tough to 
> fail, but I have read about trouble here too!
> But, I do understand the basic physics that a
"heatpipe" plays with. So, 
> I agreed with Thane that it seems that the HS is
toast and needs 
> replacement.  I was not aware that the heatpipe's
might have some sort 
> of liquid as a transfer agent.  I thought the
current crop of heatpipes 
> used solid tubes to transfer heat to the "radiator."
 No matter, whether 
> liquid-filled or solid, if any of the "pipes" have
broken with the base, 
> the device is toast IMHO. Perhaps I am way off base.
 I can hang with that.



      
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