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What a difference a change of thermal paste made!

post #1 of 5
Thread Starter 
Sometime last year, I changed out the stock thermal paste in my Thinkpad T61 to improve the temps. It worked, but lately I've been noticing that my temps are going back up. I took a dust blower to the vents...nothing. So, I took it apart, cleaned off the old thermal paste, and put on a fresh application of Arctic Cooling MX-2.

After 5 minutes of Linpack, max load temps are now 52/52C on my Core 2 Duo T8300 undervolted to 0.9500V. Before the new application of thermal paste, max CPU temps were well into the 60C range with the same settings.

So, if your laptop is overheating, check the thermal paste!


Edited by 996gt2 - 7/17/11 at 9:08pm
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post #2 of 5
+1 if you're still using the stock crap that came with it.
I swapped out my T5500 for a T7200, after cleaning off the stock garbage (shiny reflective sheet, no idea how it could transfer heat well) and applying some TX-4 my load temps on the faster proc were equivalent to the idle temps of the slower proc using the preapplied garbage.
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post #3 of 5
Thread Starter 
It's strange because I've actually been using MX-2 for about a year now, but the old MX-2 looked very dry and cracked after just a year. Perhaps it was just the environment of the laptop (e.g. being jostled around in a bag a lot) that accelerated the degradation of the paste.
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Seasonic X-750 Silverstone SG09 Logitech MX518 Steelseries QcK 
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Plextor M3 SSD WD Velociraptor 500GB WD Caviar Black 1TB WD Caviar Green 2TB 
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Seasonic X-750 Silverstone SG09 Logitech MX518 Steelseries QcK 
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post #4 of 5
Absolutely, its even worth voiding the warranty to get any quality TIM in there. The factory junk I cleaned off my laptop CPU and GPU sinks was applied way too thick and must have had terrible thermal properties to begin with, got a 20C drop afterwards.
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post #5 of 5
I changed mine a while ago on my aging Toshiba L45 with a Pentium Dual Core T2310 and the fan doesn't even come on anymore even under load. Before, I could here the fan from outside my room when the door was closed. It makes a BIG difference.
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