Reapply thermal paste? Last gen black MacBook fans running.

Hi.
I have a black MacBook (MacBook4,1) that seems to get pretty hot sometimes. It happens even when I'm not running Illustrator, Aperture, or Photoshop. It can also happen when I visit a site without flash.
I had to replace the top case last year because someone poured water into the keyboard.
I'm thinking I may have ruptured or otherwise unseated the heatsinks, which may have displaced some of the thermal paste's contact with the heatsink. The computer was purchased in early 2008, so it's kind of old.
Would it benefit me to replace the thermal paste between the processor and the heatsink? How much of a pain is it to do that?

My computer is a bit older than yours and I have never seen that problem with this machine.
Have you checked Activity Monitor (Applications>Utilities) to see if any processes are using more than 30% of your CPU?
~Lyssa

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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.
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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.
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I've just recently upgraded my MacBook white's (MacBook5,2, 2GHZ duo core, 4GB ram) stock harddrive to a WD 2.5" black 750GB. After which, I noticed my macbook fan running at high speeds majority of the time... Even when just doing light weight stuff on it, such as surfing the net using Safari or even just leaving my computer idle after startup.
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Hey Mende1,
Well I guess I'll try returning the drive at the end of this week then my fan seemed to have slowed down abit since the upgrade, it's sorta spinning around 3000rpm now. I'm not sure if it's gonna be the same thoughout, and I'm pretty sure it doesn't spin as much as it did when I had my old HDD on. So I'm giving it a few more day probably till the end of this week. And if the noise issue still surfaces I'll try a different hard drive! and update you on the results!
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And hello there rauldoppler!
Well, firstly, I'm using a early 2009 MacBook white! The pre-unibody one. It's running on a 2GHz Intel Core 2 Duo processor with 4GB for ram.
As for the hard-drives, I'd actually reccommend you to upgrade to an Solid State Drive if you can afford it, but if you're like me who needs more memory space then boot speed etc, I guess a HDD will be fine =) As for which brand of hard-drives, I would actually recommend WD (their black drives especially, 5 year warranty, 7200rpm speed hehe), but right now I'm having the fan problems, so I'm not too sure anymore.
I did however, do quite abit of digging around on the net and concluded that WD was a better choices amoungst the rest... But yeah the fan issue is still something I didn't expect. All in all, I guess as for which drive is better, it really depends on your needs or wants, if it's for casual internet surfing and stuff, a WD blue HDD would be fine, or a black if you want a slightly faster boot speed etc at the expense of your battery life and all. If you however value blazing fast boot times and application start up times, go for an SSD. If you need the memory space more then anything then I'd say go for a HDD again too, as it's cheaper interms of gigabite to dollar ratio. (for example, the older 500GB version of my new WD black would cost USD $43, while a Samsung 500GB SSD Pro would cost $349) Also, You could do abit of reading up on SSDs if you're interested in it There's alot of plus points to it, like ALOT, and if the price tag wasn't so huge, I would have used it for my macbook already!
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Quote
I haven't tested temperatures yet, I want to deal with this IOH issue right now.
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Yeah, only running Mail and stuff. Actually, 3500RPM is my iMac's maximum fan speed.
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OGELTHORPE wrote:
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I lifted my heatsink, do I need to reapply thermal paste?

Hi evrybody.
So I bought a used Sawtooth about a week ago, and long story short the mobo might have been fried in an experiment. While the computer was down I took the CPU off the mobo to smell if it's fried as well. Then I took off the heat sink to check it out. So like my title says, do I have to re apply the paste?

Thanks.

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Best Regards.
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Message was edited by: lynnbee
Message was edited by: lynnbee
Message was edited by: lynnbee

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Reapply thermal paste? Last gen black MacBook fans running.

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