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Old Aug 18th, 2014, 02:16 PM   #1
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Mac ('07) Overheating

Hi to all. New to this forum. Having a problem with my Mac overheating after about 1 1/2 hrs. use. My warranty's expired and I'm completely inexperienced when it comes to opening or replacing anything inside a Mac but am more than willing to learn.

I'd definitely appreciate any possibly helpful technical solutions to this problem (as well as a redirect to any similar postings on this site). If my Mac's fan absolutely has to be replaced, how much does that generally cost and any recommendations to a west-west-end Toronto/Mississauga certified shop known for its great customer service?
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Old Aug 18th, 2014, 03:14 PM   #2
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Try installing this manual fan speed override to start. smcFanControl for Mac | MacUpdate Not the correction but a solution.

Also check to see if the fan intake is clean (at bottom if iMac)
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Old Aug 18th, 2014, 05:56 PM   #3
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What makes you think it's overheating?
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Old Aug 18th, 2014, 07:31 PM   #4
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Are you familiar with iFixit.com, Will? I expect you will shortly.
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Old Aug 19th, 2014, 09:00 AM   #5
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We really need to know which Mac you own. MacBook, MacBook Pro, iMac, Mac Pro?
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Old Aug 19th, 2014, 10:06 AM   #6
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After the hour and a half (sometimes it doesn't make it that long depending on what I'm doing) but I get the colour wheel of death and the back left portion of my iMac is super hot, like fry an egg on your comp hot. I'm definitely not an expert, but I feel like it shouldn't be that temperature.
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Old Aug 19th, 2014, 10:07 AM   #7
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I own a 20" Mid 2007 iMac, Running OSX with 4GB of SD Ram.
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Old Aug 19th, 2014, 10:09 AM   #8
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It seems to be clean, however that's just from inspecting it from the back - i'm not brave enough to just open my iMac up. Would you recommend hitting it with compressed air? Or does that risk moving potential dust buildup on the inside to places it should not go?
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Old Aug 19th, 2014, 10:20 AM   #9
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Tried Downloading the SMC fan control but after installing it, nothing would open up. Not sure why - but thanks for the suggestion.
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Old Aug 19th, 2014, 11:01 AM   #10
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Have you begun to use a certain program / something new that may be driving your graphics card particularly hard? My MacBookPro normally runs warm, but firing up certain apps sends the back-left corner into the red zone.

It's possible that you have an app or process running wild, leading to his issue. What apps do you tend to have running when this is the case?

Next time you get that spinning wheel of death and the heat, fire up Activity Monitor (in /Applications/Utilities) and check CPU usage. Something software-wise is likely gone kablooey.

Also let us know your version of OS X
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