MacBook Air :: Fan Loud At Low CPU Usage

Jun 1, 2014

I have a MacBook Air Late 2010, and the fan over heats at around 30% CPU usage, I installed AppTamer to keep it down, but it is quite annoying to keep using it. Sometimes the fan will go at 18% when one application uses about 15%, but not 100% percent when its lots of other ones. App that generaly cause the fan to overheat are, obviously, high CPU ones, like Pixelmator, Photoshop,  Xcode, but some times even low CPU usage, like YouTube or Video Content on Google Chrome, Safari and Google Chrome in general. Microsoft Office 2011, Pages, Numbers & Keynote. Even apps like Preview (viewing more than 5 photos ) can use alot of CPU. So what should I do? I have repairs under warranty till about September, but Apple charge £35.00 to chat online?!?! I have tried resetting the SMC which only works about half of the time. I read on the internet that it is a production issue or at least common Late 2010 MacBook Air's.

Info:
MacBook Air, OS X Mavericks (10.9.3)

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Aug 23, 2009

I just bought my MacBook Pro last week. When I power it up, it makes a loud noise for about a second and a half. I think it's the hard drive starting up or the disc drive. I'm not sure which one, but it's pretty loud, so I was just wondering if anyone else noticed this and if it is normal.

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Jan 29, 2009

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Dec 9, 2009

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Mar 22, 2012

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Info:
MacBook Pro (13-inch Early 2011), Mac OS X (10.7.3)

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Apr 6, 2012

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Apr 10, 2012

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Apr 30, 2012

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Info:
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Sep 17, 2009

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Apr 15, 2010

I own a aluminum unibody Macbook (a1278), and my CPU runs hot basically anytime I run Flash in a browser. Chrome, Safari and Firefox all spike the CPU usage to upwards of 75 to 100% when even viewing a simple YouTube or Hulu clip, though sometimes, such as now, it runs hot when Flash isn't running.

Since I've noticed this, my fan has been progressively getting worse. You can hear the ball-bearings making noise and rattling when the fan gets up to and above 3000rpm's. When the fan is at it's normal speed of around 2000 rpm's, you can still hear the rattling, though it's not making the jet engine sound it does when running faster.I have since ordered a new fan for replacement, which I will be doing myself. My questions are...

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2. Why oh why does a YouTube clip spike my CPU temps so high? Are there settings or tweaks I could be making to avoid this?
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320gig HDD
4gig RAM
Snow Leopard

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Jun 27, 2010

I have a MBA:
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Feb 18, 2012

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May 10, 2009

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I've tried a number of techniques to drop the temperature, most recently undervolting with Coolbook. Interesting, these have been relatively successful at lowering the *peak* temperature-- videos now only bump the CPU temp up to 70 C or so-- but it still idles at the exact same temperature it did before, around 60.

Does anyone have any theories why the idle temperature would remain high even after I've reduced the peak temperature, and even when CPU usage is hovering between 2 and 5 percent?

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Nov 20, 2009

I am new to mac, and I have a macbook pro 15" 2009 model.

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Do this extensive usage of CPU shorten the lifespan/quailty of the Mac/Fan/Battery?

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Jun 5, 2010

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Feb 1, 2012

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Feb 6, 2012

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Info:
MacBook
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Oct 22, 2010

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May 3, 2009

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Oct 3, 2009

recently my MacBook has been running very loud when i only have like, 2 applications open. This started maybe 3 days ago. The 2 applications were iTunes and Firefox. on iTunes i just play music and on Firefox im on Youtube or RuneScape. It's been running fine ever since i bought it just over an year ago (playing the same applications) but now its started to get loud when i use it.

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May 11, 2010

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Mar 18, 2012

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Info:
MacBook Pro 15, Mac OS X (10.5.8)

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MacBook Pro :: Fan Runs Really Hard And Loud

Mar 23, 2012

Athough there is not much usages in the CPU , but the Fan runs really hard and loud , and i've ready try to reset the SMC

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Apr 14, 2012

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MacBook Air :: Loud Buzzing Coming From It

May 15, 2012

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I powered it on, no buzzing. But OS X did not boot at all. Just stood there. Now I'm booting of the recovery DVDto disable my EFI pass, so i can boot verbose.

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MacBook :: Overheating And Loud Fan On 13"?

May 17, 2012

I've had my Macbook Since early 2008. But only in the last 8 Months my fan has become increasingly Noisy and Hot. I upgraded to Snow Leopard last year (I'm on Mac OS X 10.6.8 ) and it seems it became alot noisier after this. I originally only had 2gb Ram, but upgraded this week to 4gb ram thinking that would help. I've also gone and purchased an external hard drive and moved all my movies, photos, music etc onto this in an attempt to not only back up my files but hopefully alleviate some of my space on the mac. I've tried the Resetting SMC and also followed another apple step by step guide (??) and in my activitiy monitor nothing is even over 10% and i've been regularly checking for the last hour. I'm aware the fan is always running, but the noise is ridiculous. I've done so much research on this and i'm at a complete loss, I know there is only one fan in this version of macbook and it's definitely running as I hear it all the time.

Info:
MacBook, Mac OS X (10.6.8)

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May 26, 2012

when i play minecraft or other games like wow my macbook gets loud and very hot.

Info:
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Jun 3, 2012

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Info:
MacBook Pro (15-inch Late 2011), Mac OS X (10.7.2)

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Jun 14, 2012

My MBP seems to be running rather loud and slow whenever I do things that require more usage.

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Dec 4, 2010

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