Reapply thermal paste and get more noise?

Hi guys, from what I read, reapplying thermal paste reduces the heat but makes the fans go on much faster.
For those who reapplyed it, does it go on too often or only when processor is used at a certain level (say, 50%)?
Thanks!

T9600 in a T500 isn't going to cause your laptop to melt down. I have a T9900 in my current T500, and it is working just as well as when i had the P8600.
These vacuum cooler are pretty much useless in these large thinkpads, and sometimes will cause other issues. Some of these external plug in fans can cause a path crossover between the directional flow of the cool intake air and the hot exhaust air, thus causing an area with stagnant air pocket, which means it will actually cause more harm than good.
Regards,
Jin Li
May this year, be the year of 'DO'!
I am a volunteer, and not a paid staff of Lenovo or Microsoft

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