![]() I highly recommend to you to open the case, reach the funs and clean them properly. If you have never reinstalled Mac OS X, fragmentation may be the biggest factor in this.Īnother two options are to get Fan Control to ramp up your fans as the computer gets hotter (as suggested by palokiller) or get a cooling pad, as theanar suggested So either upgrade your RAM (the max for your model is 6 GB) and/or conceder buying a defragging program for your mac or backing it up to time machine and reinstalling OS X and importing all your files back into it. If something as simple as emptying the trash is significant enough to heat up your laptop, that may be due to either a low amount of RAM or a fragmented HDD (AKA it takes long enough to heat up, thus something is making it slow). This is to ensure that airflow is optimal and also the the heat is not retained. Make sure you rest your mac on a hard surface and not something soft like your bed, couch, lap, etc. I clean my fans twice a year on my laptops, sometimes once every two years, and I almost never find a significant amount of dust, so unless you live in a dusty area, I doubt its because of dust collection. The CPU can NOT be damaged by undervolting it, you'll just end up with a couple of kernel panics in the process. Since I installed and configured CoolBook, I have NEVER heard the fan running to its max setting.Ĭonfiguring CoolBook is somehow troublesome (you'll have to test your CPU's limits in lower voltages by trial and error meaning a bunch of restarts, but once you've read and understood the readmes, you'll be up and running with a cooler MacBook in less than an hour.Īs a final note, CoolBook UNDERVOLTS the CPU, it does NOT overclock it. Using CoolBook, I managed to lower the setting to just 0.9750V, which is around 20% less voltage in the core, which also means 20% less heat and consumption as well. For example, my MacBook's CPU voltage setting when running on 2.1Ghz was 1.1375V. You can use CoolBook to alter the minimum voltage of you CPU for any given clock speed. So could you please advice me the best one.ĬoolBook has nothing to do with fan rpm control. But if you still think that that amount of RAM is not enough or my disk needs re-fragmentation I'd love to read your thoughts.Īll in all, I'm definitely considering opening my Mac and re-applying the thermal paste. That's why I don't think that the RAM amount is a problem. ![]() Would I have to change the clock speed of my CPU? If not only changing my fans revolutions per minute with CoolBook make any difference than smcFanControl.Īlso I've 4 GB's of 667 MHz DDR2 SDRAM on my Mac. ![]() I'm considering CoolBook but I've some questions about it. I installed Snow Leopard not as a fresh install but as default(archive & install) from the installation disc. Well, it wasn't the reinstallation of Snow Leopard which I use at the moment but it was Tiger back then. I set my fans to start running on 3500 rpm. I've been using smcFanControl for quite some time. ![]()
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