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Not my number one fan.
Posted on April 19th, 2009 2 commentsJust fixed a long term issue with my MacBook and thought I’d share the solution. I’ve been having excessive fan usage that, at times, sounds like the MacBook is going to take off at any moment but I never got around to looking into the cause until today. On closer inspection in the Activity Monitor it seems that there was a rogue PowerPC process running that was chewing up 95% of the CPU and knocking the temperature to around 80°C. The culprit was something called ‘Authentication$’ and force quitting this process immediately dropped the fan down to a whisper and a steady 60°C.
I’m not entirely sure what the process does (nothing imedialty cropped up on Google) but i’m sure the process will appear again at some point (maybe after a reboot) at which point I will do further investigation as to the cause. Hope this helps anyone else with the same issue.
2 responses to “Not my number one fan.”
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I have to do this on every reboot to be sure – I get around half a dozen PowerPC daemons running and they just slow things up eh. Your post has given me impetus now to find out what’s launching them at boot time.
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Its one of those things that you never get around to checking out but I’m glad I did cos It was also draining the battery like no ones business.
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