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Mac OS X forum: Overheating Early 2007 Macbook Pro (2.33GHz) and Quick Fix

by: natep24 June 15, 2010 10:40 AM PDT

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Overheating Early 2007 Macbook Pro (2.33GHz) and Quick Fix

by natep24 - 6/15/10 10:40 AM

For the last couple of weeks my mac has been really hot. Like 80-90C with no heavy load. Activity monitor showed that CPU use sat at about 50%, with no programs open. Looking at the list of CPU consumption in activity monitor did not match this figure (and was only at like 1-3%). My battery life was horrible.

I just cleared my ram (Reboot, hold option+command+p+r as soon as screen goes black, and release after the second chime) and now everything is back to normal!

Idle now is like 50C and the processor use is accurate.

I hope this helps someone!

Keywords: overheating mac, hot mac, hot macbook pro, clear ram, clear PRAM, 50% CPU use, inaccurate cpu use, CPU too hot, processor too hot


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It works!

by dennyengster - 9/12/12 11:21 PM

In Reply to: Overheating Early 2007 Macbook Pro (2.33GHz) and Quick Fix by natep24

My 2007 Macbook Pro was idling at 75-85 degrees celsius and the fan was blowing out of control. After the reset it idles now around 65 which is not bad considering the heat it was producing earlier with minimal applications open. Hope it stays this way. Thank you for this tip!


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RAM is cleared everytime you shut down

by mrmacfixit Moderator - 9/13/12 4:37 AM

In Reply to: Overheating Early 2007 Macbook Pro (2.33GHz) and Quick Fix by natep24

What you reset was your Parameter RAM, it holds data like the time, date and a bunch of other things.

The procedure you refer to is called "Zapping the PRAM"

Sometimes works and sometimes doesn't.

P


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