Why is my fan running so loud?

I purchased my 13" macbook pro about 2-3 weeks ago, But have noticed just recently my fan running quiet loud and constantly. I have done two smc resets that didn't change anything, checked my activity monitor to find nothing wrong, and checked my exhaust rpm and temperatures which were perfectly normal. Does anyone have any other information that would help me fix this frustrating problem?

sebbynowak wrote:
I purchased my 13" macbook pro about 2-3 weeks ago
You are still under warranty. Call Apple Care. Make sure you get a case number as all repairs have an additional 90 days of warranty.
#1 - You have 14 days from the date of purchase to return your computer with no questions asked.
#2 - You have 90 days of FREE phone tech support.
#3 - You have the standard one year Apple warranty.
#4 - If you've purchased an AppleCare Protection Plan, your warranty last for 3 years. You can obtain AppleCare anytime up to the first year of the purchase of your computer.
Take FULL advantage of your warranty. Posting on a message board should be done as a last resort and if you are out of warranty or Apple Care has expired.

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My iMac's fan runs quite loudly.

I only got the computer yesterday from Apple, but it was refurbished. It's an iMac 21" 2.7 1TB.

When you say that the 'fan runs quite loudly' do you mean that the fan is making an unusual noise such as a buzzing or clicking sound, or do you mean that the fans sound like they are running at full speed?
If the fan is making a buzzing or ticking noise then that could indicate that something is touching or rubbing against the fan. If you just purchased the iMac then I would contact Apple to arrange for a replacement.
If the fans sound like they are running too fast then it could simply need an SMC reset. To do this, power down the iMac and then disconnect the power cord for ~15 seconds. After 15 seconds plug in the power cord while making sure you don't press the power button. Here's an article that provides additional information on this condition and why it occurs.
http://support.apple.com/kb/TS1433

Why does the fan run for long periods on macbook pro

why does the fan run for long periods on macbook pro?

to keep the internal components of you mac at a safe operating temperature.

Satellite A300D - Fan running very loud and notebook is getting very hot

I was wondering if anybody could point me in the right direction as what to do with the overheating problem i currently have with my A300D. I have had the laptop for under a year so it is still under warrenty but i am not sure where to go or what to do in order to repair it.
The problem: Around two months ago I noticed the fan running very loud and also the laptop becoming very hot. Now it runs so hot the laptop switches itself off completly. The heat being fanned out of the laptop is so hot! burns your my infact.
Has any one any advice they could offer me.
Thanks
James

Hi James
You wrote that you have the notebook under a year so my questions is did you already clean it?
The notebook should be cleaned every 3-4 months and I do this every 3 months. Every time I do it Im wondering how much dust comes out and after this procedure the notebook is a lot of cooler.
Here is an interesting Toshiba article about this:
http://aps2.toshiba-tro.de/kb0/HTD7A01ZZ000AR01.htm
Compressed air spray is really useful and you should check it yourself!!! ;)

27'' iMac fan running very loud?

I recently had to have a logic board and a video card replaced under Applecare, (get it, I have always needed my iMacs fixed). I have 'Carbonite' installed as backup. My activity monitor (when Carbonite is running) is showing that Carbonite is really working the 4 cores of the processor. Between 75 and 99%. My fan NEVER ran really loud before on this iMac, or my last two iMacs. I have used Carbonite as a backup for the last three years. The reason for the logic board and video card burning up MAY have been that the fan did NOT come on.
I'm going through a lot of phone calls with Carbonite to see if they have any answers. In the meantime I'm disabling Carbonite. So far the loud fan is not coming on.
Does anyone else have the problem of a very loud fan running? And why do you think that is?

Hello, let's see some temps & fan speeds please.
Get Temperature Monitor to see if it's heat related...
http://www.macupdate.com/info.php/id/12381/temperature-monitor
iStat Menus...
http://bjango.com/mac/istatmenus/
And/or iStat Pro...
http://www.islayer.com/apps/istatpro/

MacBook fan running very loudly

I have been having issues with my MacBook overheating and causing the fan to run very loudly (so loudly I can't listen to music or watch videos on it very well). I have had the motherboard replaced twice this year alone by Apple and I still have coverage till November of this year. They told me if I keep it on a flat surface (like a desk), the problem shouldn't keep happening. More times than none, I only have one application running like Safari or Firefox with only one page open and still the computer is incredibly loud. Any suggestions? I really do not want to take it out to a retail store again unless I can get a new MacBook out of it since it'll be the third time the motherboard has been replaced.

Hi Brandon: This is a shot in the dark, but check out the troubleshooting tips in the Apple article below.
http://support.apple.com/kb/TS1473
Stedman

Mac fan running too loud after update

I have a Macbook pro 13". (mid 2012)
Memory: 4 GB 1600 MHz DDR3
Processor: 2.5 GHz Intel Core i5
Storage: 500 gb
After updating to Yosemite 10.10, my macbook pro's fan is running too loud and producing a lot of heat. I reseted the SMC several times but it didn't help. Surprisingly, The fan also runs loud even if only 1 application is open.
Please advice me what should I do.
Thank you in advance!

I have the same model and I've had the same problem for a few days. I didn't really have problems with heat, but my fan was going crazy even though I was just browsing the Internet. Maybe you're logged into iCloud and have some activity going on. What worked for me was going to:
1. System Preferences
2 iCloud
3. Uncheck things like "Keychain", "Find my Mac", etc. (things you don't need/use)
For me, I unchecked everything and logged out of iCloud. After several minutes, my fan is super quiet and not acting up! Hope this helps.

FAN RUNNING VERY LOUD

I am wondering if anyone has had or heard of the fan in a 24" iMac suddenly running quite loud? My computer is a year old and today I turned it on and it sounds like a desktop DELL!! The fan is so loud. Is this an ugly monster rearing it's head? or is this a minor issue that might go away?
Please help.
Cheers

It probably means the computer thinks it is overheating. Maybe it is overheating. As Miriam suggests, intense computational activities generate heat. Possibly dust has accumulated on the inside, or where you are positioning the computer is blocking the flow of air. If the software that controls the fan is not working properly the default mode is to run the fan at full speed. Have you run disk utility to verify your drive to check all seems okay?
Alternatively the computer just thinks it is overheating. There are also hardware analysis tools that come on the disc with your Mac.
There's third party utilities that report temperatures, but Apple says you shouldn't reply upon these, and take your computer to a service center.
This isn't one of those liquid cooled CPUs is it? There was a post about one of those overheating recently and the guy found the coolant had leaked and left a puddle under his computer.
Message was edited by: Limnos

MB 13" late 2007 - fan running really loud

Hi guys!
I've tried to find a solution to my problem around the web, but I didn't find anything what could help. My old MacBook from 2007 started to get pretty loud recently. What I realised, fan is turning on while I'm running internet browser (doesn't matter, Safari, Opera or Chrome). But when I watch a movie, even in 720p, the fan is quite. I don't have much apps on my MB, and I try to run CleanMyMac from time to time.
Is my MB just old (that is a pretty obvious answer), or I can do something to fix it?

There could be a few things going on to cause the symptoms, the fan and likely excessive heat.
If the hard disk drive is relatively full and has little or small available free space, the computer may be looking for places to put swap and temporary files the OS uses, to include those when the OS uses free space as Virual Memory. This would mean more read-write cycles to the hard disk drive, if there isn't enough RAM.
Also if the hard disk drive is getting older and worn, it may be slower and the processor among other things are adding up and generating heat so the fan runs more. An early model MacBook may be a candidate for a larger capacity hard disk drive, & if it doesn't already have it, an upgrade in chip RAM capacity to the max it can use.
There may be a reset, such as SMC (system management controller) that may help. In some cases, though the NVRAM/PRAM reset helps. I had to try both on my MacBook when it seemed the processor cores were alternatingly hotter than spec but without a load. In this case, I suspect my MacBook may need the thermal couple to the heatsinks removed and new thermal paste applied, so any heat may be transfered faster. I used a free utility called 'temperature monitor' that includes temperature monitor lite, a download. It works OK once you figure out the settings, and choose to install extra stuff for intel cpus.
So there are things that could be done, depending on the cause of the symptoms. Going through the long way may include unproductive steps when 'trial & error' is involved, so hopefully there is a shorter recipe.
Good luck & happy computing!

Why is my fan running continuously?

Hello,
I recently took my macbook pro to the Apple Authorized Servicer to get it worked on. Apparently the flex cable for the hard drive was bad, which caused my computer to not boot up when powered on. That issue was resolved, but literally 24 hours after getting my laptop back, it started having other problems.
My computer had many syptoms that were listed here: http://support.apple.com/kb/HT3964
Mostly these were the symptoms:
The computer's fans run at high speed although the computer is not experiencing heavy usage and is properly ventilated.
The computer doesn't respond to the power button when pressed.
Battery indicator lights, if present, appear to behave incorrectly (on portables that use non-removable batteries).
The MagSafe power adaptor LED doesn't appear to indicate the correct activity.
The display would flicker while trying to boot up, then the whole system would turn off.
For a while, my computer would not even turn on at all. Now my computer seems to startup properly everytime. The battery indicator lights still do not function, but I can use the computer and all of my data is still as it was.
The main issue that still persists is that the fan runs at high speed all the time. My CPU usage is low, I checked in activities monitor, and nothing was out of the ordinary. I am not running any high CPU applications. And according to iStat, all the temperatures within my computer are running under 100 degrees.
I'm pretty sure I successfully reset the SMC, as when I held down the Shift-Control-Option keys with the power button, the LED on my magsafe changed colors, as noted it would in the instructions.
I would appreciate any and all help, as I am in Africa and another trip to the local Apple Authorized Servicer would be quite a hassle.
Thanks!

The fan should always be running. Install another temperature/fan speed application to verify;
http://www.bresink.com/osx/TemperatureMonitor.html
Try a hardware test:
http://support.apple.com/kb/ht1509
You may have to use OPTION D to start it.
Ciao.

Why is my fan running loudly?

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Thank you! I stopped the application that had 'taken over' or run away but it was the Mail program and I don't know how to figure out what's wrong with it so that it doesn't happen again.

Why is the fan running all the time and loud all of a sudden

The fan on my computer starts running after about 5 minutes of being turned on or waking up. It continues to run and is very loud. Is there a fix for this problem?

Try:
Intel-based Macs: Resetting the System Management Controller (SMC)
Resetting your Mac's PRAM and NVRAM
Boot into Safe Mode then back into normal boot.
Repair the Hard Drive and Permissions - Yosemite, Mavericks, Mountain Lion or Lion
Boot to the Recovery HD:
Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
Repair
When the recovery menu appears select Disk Utility and press the Continue button. After Disk Utility loads select the Macintosh HD entry from the the left side list. Click on the First Aid tab, then click on the Repair Disk button. If Disk Utility reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit Disk Utility and return to the main menu. Select Restart from the Apple menu.

Fans running really loudly?

Recently when i was using my macbook pro, the fans seemed to go into overdrive and started making really loud noises, the noises sounded like it was rattling slightly. I didn't have any strenous programs running, just pages and google chrome, but the sound persisted until i put my computer to sleep, then it stopped. Right now it is queiter, but what should i do to avoid this in the future?

If your fans are going crazy when you aren't loading the system, then something is wrong. Try an SMC reset. And to make sure some background process hasn't gone wild, run Activity Monitor (from Applications > Utilitites) and select All Processes - anything suspiciious running over say 10%? (You can sort by CPU% by clicking on the column label.)

Why is my fan suddenly so loud?

I turned off my iMac24 (not one of the new shiny ones) and went to bed, then I went to work came home and turned it on again. Suddenly the fan is running like crazy and really loud.
Any ideas? Am I going to have to send it in for repair?
Thanks in advance

Nothing that I am aware of -I didn't even know you could get such a thing
Message was edited by: crease_up

Why does the fan run and the bottom of the computer get very hot?

The computer didn't used to do this (it is only about 15 months old). Lately the fan will run and the computer will get hot on the bottom of the case. Any suggestions as to cause and what I should do about it?

Read through this:
http://support.apple.com/kb/TS1473

Why is my fan running so loud?

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