Have you run the Apple hardware test? Insert the original OS X disk that came with your system that says 'AHT Version x.x' in small print on the label, and reboot holding the D key down (if that doesn't work, reboot holding the alt/option key and choose the Apple hardware test). Choose the extended test. Does that point out any hardware issues? One of the things the hardware test looks at are the various sensors, and if one of them were faulty, that might cause the system to crank up the fan.
- I've Tried the hardware test, I completed the extended one which took approx 90 minutes, the whole time the fan was noisy. Is it possible it could be the harddrive making the noise instead?
- When I completed the test it fouud no problems. Now that i've rebooted the fan has stopped. I'm really at my wits end with this.
- Stedman1, I checked your link and I had already tried this as per my original question.
Any suggestions or ideas would be great,
So i ran the software test, no faults found.
But i did download a desktop client: Istat Pro
I've since transferred all movies, music etc onto an external hard drive, given my mac a complete clean up. The only time the fan seems to run fast now is when i'm online streaming. I'm guessing it's because of the software that it runs. So i'm avoiding streaming as much as possible and this seems to have rectified the fan issues.
But thanks again for all your input and help. Definitely be using the Apple Forums instead of trawling Google for what seemed like an eternity
I read the above posts, and had already looked at the Activity Monitor. Something made me look at the power management. I remembered I had turned on "Never Sleep" when plugged in. I returned it to 15 minutes and my fan is quite for the first time in a long time.
I have no idea if this really was what helped but thought I would pass the information along.
Mine had the same problem. I have a Macbook Pro Early 2011. It's a great computer, but occasionally the fan is really noisy and hot. I had the problem once and reset the SMC by pressing Shift-Control-Option and power button at the same time, then turning on the computer again; that did the trick. But another time, I tried doing that and it didn't work. Turns out, an application called Dropbox was uploading/downloading/syncing massive amounts of info. When I paused the syncing, the computer went right back to its quiet old self. Try looking for applications that are syncing or downloading things in the background. If you upload it little by little, you should no longer have this problem. Otherwise, I strongly recommend trying the SMC reset. Hope this helps!