Intel Mac :: Fans Run Almost Constantly At High Speeds

Mar 20, 2012

The fans on my 3.06 GHz Intel Core i3 imac run almost constantly and at high speeds. I have reset the SMC, fixed permission, and tested the disk. Also, I downloaded SMC Fan Control. Here are my current readings will the fans are blasting:

ODD: 994
HDD: 5577
CPU: 1200
Temp: 44C

Info:
iMac, Mac OS X (10.7.3)

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Intel Mac :: Fans Running At High Speed?

Mar 17, 2012

My iMac (intel core duo) after a hard drive replacement seems to be running the fans at a high rate of speed.  Usually just a few minuets after startup. Before the upgrade they were almost silent and now they are very noticeable. I need to get taken care of or just a result of installing a larget hard drive? 

Info:
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Information:
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Last summer my MBP 2.3 GHz C2D was heating up so much, you barely could touch it. So I decided to give it a little hardware checkup. Finding the fans completely stuffed with dust

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[code]...

Info:MacBookPro, Mac OS X (10.7.3)

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My Early 2008 MacBookPro 2.40 ghz 4 gb Ram OSX Mavericks machine's keyboard backlight off and fans run at high speed; it seems an exact smc resetting problem.

So i tried the 2 ways of SMC restting procedure; both battery you can move and not, but nothings changed on the situation..

On the way for removable battery; nothing changed but on the way for umremovable battery way; keyboard backlight flashes and gone, but fans are at high speed not changed. So nothing changed.

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Apr 7, 2010

I had my computer idling and noticed that the fans sped up to full blast, so naturally I tried to figure out what was causing it to heat up. I quit pretty much every app I had running, no diff. I unplugged my iPhone, no diff. Even shutdown the computer, fans went right back up as soon as I loaded up OS X. So I looked at SMC Fancontrol (which I never really even use) and the temp was at 88 C!!

I have nothing open, completely turned off the computer and rebooted it to make sure that nothing running would be causing it, and it's STILL running hot as hell! Is there anything I can do to see what's causing it to run so damn hot? I really don't wanna put a crap-load of wear on my fans and CPU here.

I'm using a 2.2 ghz SantaRosa MBP running the latest version of Snow Leopard.

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Feb 8, 2007

I have a MacPro 2.66 quad-core intel. 4gb ram. I have a hard-drive from my old Powermac that i upgraded to 10.5.5 for this computer. Everytime I put my computer to sleep, and then wake it back up. The fans spin up to maximum speed and all the fans are running really loud and then after about a minute all spin to normal speed.

I don't have any other flaws except for this. Why could this be?

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May 14, 2012

My Macbook Pro (13", early 2011, Core i5 @ 2.3) started to behave weird, its fan (only the exhaust one, since it's a 13" Macbook Pro with the Intel HD integrated graphics) is running at top speed (6200-6208 rpms) with no reason at all. No system processes consuming high CPU, just idling.There's a twist to this issue, though. It only does it when I open the lid more than 90 degrees. If I get it back the fan returns to normal functioning.What I did:checked the temperature sensor values, they are finechecked for crazy background tasks, there are none, CPU usage is at max 7%it does the same thing even in safe modereset PRAMreset SMCreinstalled OS X (Lion). Updated to 10.7.4searched every discussion I could find on this matter.

The difference between this issue and others I encountered along the way is the lid opening thing.Does anyone know if getting the lid past the 90 degree mark triggers anything?The other theory I have is that there's some dust blocking the intake and when the lid is opened wide, the air is somewhat obstructed by the bottom of it. 

Info:
MacBook
Pro, Mac OS X (10.7.4)

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