MacBook Pro :: Fans Start Running At High Speed When Computer Is Asleep?

Jun 2, 2014

The other night, my MacBook Pro's fans started running at high speed when the computer was asleep. Loud enough to wake me up. And this just kept on going until I finally decided to turn the computer off. Is this normal? Is this anything to worry about?

Info:
MacBook Pro with Retina display, OS X Mavericks (10.9.3)

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MacBook :: Fans On High Speed - Does This High Speed Effect On Computer?

Jun 16, 2009

Does it hurt the computer... If the computer is doing something (watching flash, playing a game) that turns on the fan full speed;Does this hurt the computer? There are a few games I like to play and they turn on the fan at full speed (computer gets hot too, on the bottom.)

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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:
IMac Intel Core Duo, Mac OS X (10.4.10), Ipod 30 Gig, BMW IPod Integration, .mac

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Mac Pro :: System Fans Running At High Speed / When Wake From Sleep

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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MacBook Pro :: Fans Going At Extremely High Speed

Aug 22, 2009

I have a late 2007 macbook pro and recently the fans have been going at extremely high speeds without the MBP being hot at all. I have SMCFanControl and iStat Pro and both of them said my MBP's temperature was around 55C though the fans were going between 4000 and 6000 RPM, I also checked the activity monitor for high CPU usage but nothing high there. I turned my MBP off for 5 minutes with a fan blowing on it just incase it was hot but when I turned it back on the fans immediately jumped back up to 6000 RPM. They're back to normal now but I assume it will happen again. Anyone know what's wrong?

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MacBook Pro :: Keyboard Backlight Off And Fans Run At High Speed

Jun 20, 2014

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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MacBook Pro :: 13" Early-2011 Fans At High Speed

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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MacBook Pro :: Why Fans Running So High?

Dec 25, 2010

Both of my fans are running at the max 6200 RPM and have been for well over an hour. My CPU is over 65% idle, and none of my processes are over 20%. My HD Temp is 38 degrees and my CPU temp is 72 degrees. I don't think my fans should be running this high considering the computer is doing so little work.

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MacBook Pro :: Fans Running High All Time

Feb 24, 2012

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

But after a while i recognized that the fans went on high rpms (around 6000) already at startup and did not lessen anymore. I do not have any high capacity processes running and the temperatures are not just not warm buth rather chilly, so no need for high fan speed. Now I want to solve this problem as well but seemingly nothing will work.

[code]...

Info:MacBookPro, Mac OS X (10.7.3)

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Mac :: Constant CPU Usage & High Fans Speed Temp On Black Santa Rosa MacBook

Mar 11, 2010

I only started noticing my fan running a bit on the fast side this evening after installing the new Safari 4.0.5 update. I looked at iStat Menus for temp and CPU. And I was seeing about 190 degrees F for CPU temp with lid closed running ext display. Also there was a constant usage of the cpu (about 30% User and 20% System). There's not one particular process I can see in Activity Monitor that acting out of the ordinary and using a lot of CPU. Just stuff like coreservicesd, WindowServer, launchd that are shuffling around and using about 1-4% of CPU.I ran repair disk permissions and verify disk. Verify Disk found errors and said I need to repair my Macintosh HD, which I have now done successfully.

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MacBook Pro :: High Pitched Noise When The Fans Are Running Around 6.2k RPM

Jul 1, 2009

It's the 2008 model MacBook Pro with the 9600m gt 512 card.

So, I just noticed that when I have my MacBook Pro in High Performance mode it emits an high pitched noise when the fans are running around 6.2k RPM and the CPU and GPU is around 63c. The noise follows the speed of fans, and at idle the noise is gone.

I have uploaded a video of it on youtube here: http://www.youtube.com/watch?v=HioRgTNpNRA

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Mac :: MacPro Fans Run At High Speed And Very Loud?

Nov 16, 2008

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.

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MacBook Pro :: Mid 2010 - Fans Running High And No Keyboard Lights

Jun 26, 2012

I replaced my logic board and couldn't get my Macbook to start, but last night I replced the RAM with the original one that came with my Macbook and it started up, everything is working fine, but the Fans are running high I can hear it loud and the keyboard light are not working, but the keys works fine. I tried the reset options but nothing happens.

Info:
MacBook Pro, Mac OS X (10.6.3), Model - A1286

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MacBook :: Machine Fans Running At (6200RPM) Max Speed

Jan 5, 2009

I was just wondering if it's okay to run the MacBook with the max fan speed (6200RPM) at all times? It's really hot nowadays and my MacBook runs at about 60 degrees Celsius idle. If I run a few CPU intensive apps, the temperature usually rises to 70-80 degrees. This is with the fan running at max speed. So what I want to ask is, will it be okay to keep the fans running at max speed at all times? I'm going to get a notebook cooler soon so that should help with lowering the temperatures a little lower.

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MacBook Air :: What Speed Are Your Fans Running On MBA Rev B When Watching HD Video

Feb 16, 2009

If you are watching HD video, CBS.com HD shows for insteance.What speed are your fans running then and what temperature does your MBA Rev B have?

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MacBook Pro :: Fan Running At High Speed - Battery Has X On It

Jun 17, 2012

My 2012 MacBook pro has a fan running on high from the moment I turn it on and my battery has an 'x' on it.

Info:
MacBook Pro

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MacBook Pro :: Fans Running At Full Speed / Heat Sensors Are Fine?

Apr 14, 2010

So today I opened up my MBP to clean it out and stuff (it had a ton of dust... A wall of it had built up where the fans blow out)All is fine and dandy now except for one thing. Since I don't want to open my case up for the second time today (right fan wasn't plugged in all the way first time I started it up... oops x( ) I'm asking here since everything else seems to be fine.

What I did:
Opened everything up all the way down to the heatsink.Applied correct amount of Thermal paste.plugged everything back in (right fan wasn't perfect at first, but fixed and stupidly didn't double check everything else while I was in there)

And now both fans are running at 6k (full) constantly. I tried resetting PRAM and SMC with no luck. I'm about to grab my disk 1 and run the diagnosis to see if that turns up anything.Are there any plugs that I might have accidentally not plugged in all the way or at all that would cause this? Also any other suggestions if everything is plugged in correctly?

MacBook Pro 2,2 15.4" late '06
10.6.3
C2D 2.33GHz
2GB Ram

Also, I have iStat Menu. No apps using all my CPU (Mostly <10% usage right now) and temp is mostly <40c right now. All temps have a temperature so I'm assuming all heat sensors are fine.On a great note: My computer is so much cooler now! Even before this at 6k rpm I'd get down to MAYBE 45c if I was lucky.I also have Fan Control installed and it's not having any effect

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MacBook Pro :: 2009 17" Fans Running At Max Speed Aafter Hard Drive Upgrade?

May 9, 2012

I recently picked up a 17" 2009 unibody MacBook Pro with Intel Core 2 Duo 2.8ghz, 4gb RAM, SuperDrive and a Samsung 1TB hard drive. The system did not come with the original hard drive and I don't have any other hard drives to test and verify that the new larger hard drive is the cause. I have tried a clean install of Snow Leopard, Lion and even Mountain Lion but no matter what my fans always running at max speed (5k+ RPM). I have looked at iStat and the temps of any of the components in the machine never show more than 42*C so the fans should never be running at full blast. Oddly enough smcFanControl shows 0* temp but fan speds for both left and right are always 5.5k+ and very noisy. Using HDD Fan Control I am able to get at least the right fan to run at a controlable speed but its silence is drowned out by the left fan that still runs on full blast. I have already done multiple SMC resets and PRAM resets with no change in the condition. These noisey fans are driving me insane! I have run every available update as well. Is there a chance that the hard drive or something elses temp not being supported or detectable by OSX is causing the fans to default to the fail safe constant high speed?!

Info:
MacBook
Pro, Mac OS X (10.7.3), 2.8GHz Core2Duo

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MacBook :: Fan Running At High Speed / Making Superloud Constant Sound

Dec 13, 2009

I just bought the macbook 13" (white casing) today and the first thing I noticed when I turned it on was the fan, it was extremely loud!! I let it run for awhile and it was still constantly loud. Then I tried rebooting twice and still the same problem. My room is only around mid 60F. Is there some function I'm supposed to turn off? Or did I get a lemon macbook?

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Mac Pro :: Fans Running At Full Speed Non Stop

Mar 27, 2009

Brand new 2009 octo, with the 2.2x ghz CPUs. Turn it on, start NO apps. Let it sit idle. Within a few minutes the fans ramp up to FULL jet engine speed. I can't hear people on the telephone. And never stop. Let me reiterate that I am running NO apps. My load averages are in the zeros.

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Intel Mac :: Fans Running At Full Speed?

May 18, 2012

Machine: iMac intel core 2  2.66Ghz Model A1224

sn# YM******ZE3 

Ran the hardware test by pressing 'D' key. hardware test came back with error :4SN/1/40000000: T00P-65.250 

I am guessing some sort of temp sensor might need replacing. 

Info:
iMac

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OS X :: IMac Fans Running At Full Speed - Reset SMC?

Feb 28, 2009

I've got a little problem with my iMac 24" 2.8 GHz Nvidia Geforce 8800GS 500GB. When I start it up, the fans start blowing at full speed. I checked the apple support page for support and found my problem with all the symptoms being correct. The support said I had to reset the SMC by shutting down the iMac, then removing the power cord and all the other one's, wait 15 seconds and then put the power cord and the other one's in respectively. I did this almost 10 times, but my iMac still won't stop making those annoying noises. Maybe it has to do with the SMC fancontrol app my brother installed lately.

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Intel Mac :: Fans Run At Full Speed After Computer Turns On

Apr 8, 2012

My Mac OS X  as soon as I turn it on the fan is running. I have already gone thru the reset SMC . Could I have too much stuff in it?

Info:iMac, Mac OS X (10.5.8), 2.66 GHz Intel Core 2 Duo 4GB 1067

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OS X :: Ridiculously High Fan Speed While No Program Running At The Background?

Mar 4, 2009

I have a Blackbook, it's about 3 years old now and the fan speed has increased to a very high level. There aren't any programs running in the background, this just simply happens when I leave the computer on. I'm assuming it's because there is dust buildup on the internal parts, but it's odd that it progressed from being fine to the stat that it is in today in the matter of days. Is there a way to clean the inside? Apple technician to have a look at it?

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MacBook Pro :: Computer Running Slow And High Temps?

Jun 15, 2012

Recently my computer has started to run slowly in things like games and the only time that it runs normaly is when I restart my computer and then it gets slow again after about 5 min. My computer's cpu has been running at about 77-87 deggres celcius. Is that the normal running temps of a 2010 13-inch macbook pro? I have asked on some other places and they have said that it is dust in my comp that is heating the cpu up and therefore making it run slower.

Info:
MacBook
Pro, Mac OS X (10.7.4), 13-inch 2010

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MacBook Pro :: Not Stay Asleep - Wakes Up After The Fans Shut Off?

Sep 22, 2010

I have been having an odd problem the past couple of days. Every time I put my MBP to sleep, it wakes up immediately after the fans shut off. I have tried shutting down all of my programs and even killing of most of my process in activity monitor to no avail.

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Laptops :: MacBook Pro Fan Runs High When Asleep?

Oct 25, 2010

MacBook Pro 2.16 Intel Core2Duo with 2 GB 667MHz SDRAM runs very quietly when being used. When left with lid closed overnight but still logged in, each AM the the fan is running loudly at high speed and the case is hot. As soon as I open it and it starts up, the fan quiets down and the case is cool in a few minutes. The temps range (when open and quiet) from 90-125 F for various components and the fan speeds are about 2000 RPM. Why should it run hot when closed and asleep.

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MacBook :: Left Fan Giving High-pitched Whine / Noise Coming When Computer Is Running Off Battery

Dec 26, 2010

This is my first post, and I apologize as it's a little long. I just wanted to get the whole story on the table and clarified.I've had one of the new Aluminum 13" MacBooks (2.0GHz C2D) since Christmas Eve. A few weeks ago, it accidentally fell off my desk at work (not a far drop , but far enough for my heart to stop for a few minutes) when I got tripped up in the power cord under the desk.

For all intents and purposes, the MacBok seemed to work fine. I had one of our IT staff, who happened to be a trained Apple repair tech, take a look at it; the only real damage was that the display hinge had been knocked a little out of alignment. Just ot be on the safe side, I took the machine to the Apple Store, where they told me not to worry about attempting to get the hinge fixed (because I'd be paying a lot of money for such minor work), and the Genius sold me a hardcover plastic Speck case for the MacBook.

While the Speck case certainly looked nice and madethe already sturdy laptop feel sturdier and "protected", I was a little concerned about the amount of heat the machine was giving off within the case. On Sunday, I unplugged the machine from the MagSafe charger for a few hours and left it closed in sleep mode. When I woke it back up, the fan on the left continually gave off some sort of high-pitched whine whenever the computer was in idle mode.

I Googled, searching this site and others, and read about the "CPU whine" in the previous generation MacBooks and MacBook Pros. I also saw where a few people with new Aluminum MacBooks were having this same issue or something similar:

URL

It seems to only make the noise when the computer is running off of the battery - plugging in the MagSafe charger makes the noise quiet 85% of the time (I've found that plugging, unplugging, and replugging will not stop the whine from occurring).

I tried installing QuietMBP as was recommended in some posts, but the only setting that will stop the computer from whining is the "highest" setting (that is, allowing the processor 0 seconds of idle time), which causes QuietMBP to eat up 30% of my processor usage in Activity Monitor and to start the fans going (and, presumably, to significantly lower my battery life).

I don't know whether all of this was the result of the MacBook falling, from it overheating in the case, or something that "just happened". I set up an appointment with the Genius bar for today at 4 PM, but Idiscovered another odd occurance when I set up a new account for the Apple Store (rather than give them my password)

The noise never happened under the new account. Never. I left the machine idle until any and all initial processes were done. No noise. I checked Activity Monitor for stray processes. None. And no noise.

Now I'm bewildered. Could something have gone wrong somewhere in my account, leading to a corruption of a power management utility or process? I'm not canceling my appointment, but I am going to try a few things before I leave. I've already repaired disk permissions, and I'm about ot reinstall the 10.5.6 OS X combo update. Should I try to reset the PRAM too? What other options should I be looking at?

Or should I just wait, and let the Genius Bar folks look into it? As a note, I'm aware I may have to pay for any repairs because they may or may not blame them on the MacBook having dropped (despite two to three weeks passing between the fall and this issue arising), and I'm okay with paying for reapirs (though I will try my best to argue my case, of course).

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MacBook Pro :: Why Does Computer Start Running Loud At Different Times Of Use

Feb 4, 2012

Why does my computer start running loud at different times of using it?  It is random and not always when it is getting hot.  Is this normal or do i need to call Apple to replace my computer?

Info:
MacBook
Pro, Mac OS X (10.7.2)

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OS X :: MacBook Refuse To Start Up Once Asleep

Jan 18, 2009

Once asleep and enters hibernation, the laptop will not start up. Even after I hit the space bar. The "sleeping light" stops going on and off and just sticks on and the screen stays un-lit. I am then forced to shut it off, so I will hold the power button down until I hear the hard drive shut down and then start it back up.

Then one of two things happen; either it starts up nicely or it starts up and remains with no display and I am forced to hard restart again. I have found that if my external HD is plugged into the USB port upon start up it will get stuck in start up; it will keep starting up the main hard-drive and nothing happens so I have to hard shut off and unplug the external and then start again. I have been trying to keep music going on my machine to avoid hibernation, but night times kinda suck.

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