The fan gets really loud sometimes

I just bought my Mac a couple weeks ago, not more than a month ago, and I haven't really downloaded a lot onto my computer. But sometimes the fan comes on really loudly, like it's having a hard time cooling the computer. Granted this happens usually when I'm on a site or using a program that is graphic intensive, but it only started doing this sometime this week. Could there be something wrong with the computer?

Your MacBook is behaving as it should. The fan will come on when the CPU is working overtime.
You can run Activity Monitor in the background and see what processes are consuming CPU cycles when the fans come on.
It is Abode Flash more often than not on a website that gets the CPU working hard and the fans going.

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My computer has been freezing and then emitting a consistent beeping until I shut off the power. It has been getting really hot and the fan gets really loud. This has been going on for months. What's going on?

I just had my macbook pro checked out and all of it's systems restarted to solve its beeping and freezing problem. However, it is still shutting itself down when I close the lid and becoming very hot. When I open the lid again the screen is black and I have to continually hold down the power button in order to turn it back on. Does anyone know why this is happening?

I just had my macbook pro checked out and all of it's systems restarted to solve its beeping and freezing problem. However, it is still shutting itself down when I close the lid and becoming very hot. When I open the lid again the screen is black and I have to continually hold down the power button in order to turn it back on. Does anyone know why this is happening?

Imac shut off and the fan is really loud...

I have an iMac 27" i7, 16 gb ram. The screen randomly shut off and the fan became really loud. Tried turning it off and back on, but still did the same thing. Tried resetting the PRAM, heard the chimes, but then did the same thing. Is it overheated?

Welcome to the Apple Support Communities
cheddamagee wrote:
Is it overheated?
Check it. Install an app like iStat Pro to check the temperature, and post it here. There are different temperatures (CPU, hard drive, graphic...). If you want, just take a screenshot of the widget (holding Command, Shift and 4 keys, and selecting the widget) and upload it here, pressing the photo icon at the top of the reply box.
Apart, you should run an Apple Hardware Test extended test, to check if there's any problem with the iMac > http://support.apple.com/kb/ht1509 If, after running it, it shows an error, copy it here, because the Mac has got a hardware issue

2010 Mac Pro fan gets really loud after 10.8.4 update

Hey all,
I've been having some issues with my fan since upgrading to 10.8.4, it's been incredibly loud compared to what it use to be. I typically run very graphic intensive programs and heavy video use but even simple tasks like browsing the apple site with nothing else running the fan slowly ramps up it a distracting volume. You can even hear it in the next room.
I've reset the ram, done a clean instal, blasted out any possible dust, it's in a well ventilated area, even run system hardware tests Nd everything passes I really don't know what else to try? I've searched lots on the Internet and I can't seem to find a solution nor do some others. Some say it will be a fix in a later update? Is this a known issue that needs to be fixed? I miss the snow leopard days :(
Everything was wonderful until 10.8.4...
Any advice or tips would be greatly appreciated I love my macs but can't work with really noisy machines.
Thanks y'all!
Machine specs -
10.8.4 Mac OSX
2x 2.66 6 core intel Xeon
20Gb 1066mhz DDR3
Nvidia quadro 4000
4 hard drives
1 super drive
Running dual monitors
20" apple cinema and 23 LG

I know there aren't 'as many' but it is better now than it use to and you don't need $2000 Quadro 5000 or something, a $600 GTX 680 or somethjng from EVGA will do
Don't know what but MacRumors did a good job on one thread detailing possible GPU AMD FirePro possibilities. Yes it is huge change.
People have always said that about PCs. I have a few. Not for gaming but that is the only way if you want like a small percentage of users, to spend on GTX 690 x 3 for $$$ (big bucks just for gaming).
I can't recall a Mac Pro 5,1 2010 with 2.66GHz (sounds like a 2009) and 12-cores. 2,26 GHZ yes but that is just, does not make sense to give up MHz for more cores. The 12-core 3.34GHZ custom build, yes, but again that was never an Apple BTO choice either.
Apple has always disappointed geekheads you might say.

My macbook pro is overheating and the fan is really loud. How can I fix this?

My mackbook is overheating and really loud

Try an SMC reset.
http://support.apple.com/kb/HT3964
If that does not solve the problem, what temperatures are you experiencing in your MBP and what applications are you using?
Ciao.

My macbook started running wierd for example if you press anything it would freeze for 10-20 mins so i rebooted it now when it turns on the screen dont work and the fan is really loud???

help!!!!

I would reinstall:
How to Perform an Archive and Install
An Archive and Install will NOT erase your hard drive, but you must have sufficient free space for a second OS X installation which could be from 3-9 GBs depending upon the version of OS X and selected installation options. The free space requirement is over and above normal free space requirements which should be at least 6-10 GBs. Read all the linked references carefully before proceeding.
1. Be sure to use Disk Utility first to repair the disk before performing the Archive and Install.
Repairing the Hard Drive and Permissions
Boot from your OS X Installer disc. After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Installer menu (Utilities menu for Tiger, Leopard or Snow Leopard.) After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU 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 DU and return to the installer. Now restart normally.
If DU reports errors it cannot fix, then you will need Disk Warrior and/or Tech Tool Pro to repair the drive. If you don't have either of them or if neither of them can fix the drive, then you will need to reformat the drive and reinstall OS X.
2. Do not proceed with an Archive and Install if DU reports errors it cannot fix. In that case use Disk Warrior and/or TechTool Pro to repair the hard drive. If neither can repair the drive, then you will have to erase the drive and reinstall from scratch.
3. Boot from your OS X Installer disc. After the installer loads select your language and click on the Continue button. When you reach the screen to select a destination drive click once on the destination drive then click on the Option button. Select the Archive and Install option. You have an option to preserve users and network preferences. Only select this option if you are sure you have no corrupted files in your user accounts. Otherwise leave this option unchecked. Click on the OK button and continue with the OS X Installation.
4. Upon completion of the Archive and Install you will have a Previous System Folder in the root directory. You should retain the PSF until you are sure you do not need to manually transfer any items from the PSF to your newly installed system.
5. After moving any items you want to keep from the PSF you should delete it. You can back it up if you prefer, but you must delete it from the hard drive.
6. You can now download a Combo Updater directly from Apple's download site to update your new system to the desired version as well as install any security or other updates. You can also do this using Software Update.

My MacBook Pro (Early 2011) keeps freezing, the fan becomes extremely loud and the laptop gets very hot, what can I do?

Hi there,
I would be grateful if any one could help me. I purchased my MacBook Pro 13 Inch in August 2011, it was the "Early 2011" version, which was shipped with Lion (I have now upgraded it to Mountain Lion last year).
Up until a few weeks ago, it was running fine. But recently my MacBook keeps freezing (A circular rainbow appears on the cursor), slowing down, the fan gets very loud and I often have to restart the whole machine. This usually happens when I'm running programs such as Safari, Preview or Microsoft Word
I only use my MacBook for university work so I only have Microsoft Office and iWork installed, nothing else. I've only used 19gb out of the 320gb available. I've also reseted my MacBook to its factory settings but that hasn't fixed the problem.
I've checked my AppleCare status and it says:
Repairs and Service Coverage: Active
Your product is covered for eligible hardware repairs and service under a custom agreement.
For more information about your coverage, please contact us.
Estimated Expiration Date: 24 August 2014
I was wondering if anyone had any suggestions to how I can resolve these problems, as it is stopping me from doing my work?
Many thanks.

Call Apple and make a appointment, backup your use data off the machine to a external drive.
Don't bother with TimeMachine if it asks, too long and likley be corrupted and unable to restore, just drag and drop your Users folder to the external drive.
Most commonly used backup methods

HT1349 When I start my I Mac desktop the fan keeps running loudly. Can't get it to turn off.

When I start my I Mac desktop the fan keeps running loudly. How do I get it to stop?

Hello there, Jacquefromaz.
The following Knowledge Base article reviews the steps to perform a reset of the System Management Controller (SMC):
Intel-based Macs: Resetting the System Management Controller (SMC)
http://support.apple.com/kb/ht3964
Thanks for reaching out to Apple Support Communities.
Cheers,
Pedro.

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 ! i don't know what to do !

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 ! i don't know what to do and i'm very worried.

Nguyen Phuc wrote:
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 ! i don't know what to do and i'm very worried.
I suspect you didn't reset it right.
Turn off the machine, let it charge up and then try the SMC reset again.
https://support.apple.com/kb/HT3964
Run a Hardware Test
https://support.apple.com/kb/ht1509

I think my battery is fried. It gets really hot sometimes when I charge it now it won't charge at all. It froze up after the last update and I can't use it at all.

My phone froze up after last update and I can't use it at all. I think the battery is fried as well. It gets really hot sometimes when I charge it and now it won't charge at all.

Reset, hold both home and power buttons until the iPhone begins to start, usually takes about 10 seconds of holding both buttons. If still nothing try Reset while on Wall Charger, this can take about 20 seconds of holding both buttons while on Charger. If still nothing and you decide to Restore you iPhone with iTunes on computer, you may need to use DFU Mode Restore. Here are steps: Open iTunes on computer. Connect iPhone to computer with USB cable. Hold both Home and Power button, after exactly 10 seconds release the Power Button, keep holding the Home button until iTunes recognizes iPhone in Recovery Mode, usually about 20 seconds time. If the iPhone screen is black, blank this is DFU Mode. Click the Restore button of iTunes. DFU Mode can be difficult to enter sometimes, just keep trying. DFU Mode is a black, blank screen with iTunes saying Recovery Mode.

Does anybody have problems with the Macbook Pro Retina 15' fans being really loud even when playing flash games like candy crush or tetris?

Hey guys,
So after a few months of using the MBP 15' Retina, I've discovered that the fans are incredibly loud even when playing flash games like candy crush or tetris.. are any of you guys having the same problem? Like all of a sudden from be quiet to unbelievably loud just as the games load. So yeah, hopefully someone has the same problem as I am having.
What I was thinking was that the MBP Retina 15' is such a beefed up laptop, it shouldn't require that much CPU to run flash games that are not even THAT graphically intensive to which making the fans that loud..
Thanks!

Believe it or not, Flash REALLY isn't the issue.
It's hardware makers making devices with less processor performance and requiring software makers to fit into a certain requirements of such. Namely iPhone, iPods and iPads.
Flash is designed to give a lot of features and work across many operating systems, browsers and platforms as a write once solution.
Flash has a certain level of processor performance requirement, which hardware makers like Apple want to build less powerful machines using less expensive processors.
Apple has removed Coverflow 3D effects from iTunes and discontinued the 17" MacBook Pro, leaving only the 15" as having a more powerful 3D capable graphics capability.
So Apple is obviously on a anti-heat/performance quest as they further thin up their hardware, trying to kill Flash by punishing Mac users who want to run it.
Flash runs without a fan sound on my older Mac with dedicated GPU and older OS X verison, no sweat.
Head to your System Preferences > Energy Saver and if you have it, uncheck Automatic Graphics switching, this will use the dedicated GPU and shorted battery life, but if your on power should reduce the heat and fan noise.
Another option is to use SMC fan control and set the fan default speed slightly faster, this will keep the machine slightly cooler and not trigger the higher fan speed as often.
If your running 10.8, you will need to System Preferences > Security > downloads to "Anywhere"
SMC FanControl is over at MacUpdate.com.

Fan noise - really loud - HELP

Hi, everyone!
I have a MacBook Pro 13'' from mid 2010, with OS X Maverick installed.
Recently, my mac started to make an annoying noise from the fan...
Check the noise in this video: https://www.youtube.com/watch?v=yWDuecRdn7I
I've tried to clean the fan, but i don't have the Torx Screwdriver to open it completly...
But I really don't know if this noise comes from the fan because it's dirty or because something else...
I really like to solve this problem, cause sometimes it gets really loud, and i can't even concentrate on my work...
My computer is really nice, 0 problems untill this time...
Best regards,
Pedro Couto

Yes, your fan assy. is about to fail to be certian
Dust bunnies
Your Macbook’s cooling system, including fan and rear vents pull cool air in from the back and (in the case of the Macbook pro) also from the left ports bringing this air around the processor, GPU, and heat sync and blow it out the back, as such your Macbook acts like a little vacuum cleaner of the air around you. If you use your notebook in a dusty area or around a lot of pet fur, this can quickly, even under seemingly ideal clean rooms, accumulate inside your notebook especially on the fan blades reducing its capacity for cooling and in a worse case scenario seize your fan due to caked on dust on the fan blades. Avoid very dusty areas or places where, over the long term you know fuzz, fur, or even smoke can enter into your Macbook.
Is it making a buzzing or scraping noise?
If you only hear it in a quiet room, that is normal.
noisy fan reasons:
A: you notice it more in a quiet room (the typical case) which is normal, all is AOK
B: fuzz and dust has caked onto the blades causing the fan hub to get off balance and make a buzzing sound.
C: fan rotor is going bad and making a whirring or buzz noise (rare).
D: Fan is spinning up due to excess heat from gaming, heavy graphics (typical, all is OK)
A and D are normal
B and C are not.
Do you use it in a dusty area or where there is a lot of pet fuzz? Laptop fans act like little vacuum cleaners and take in dust etc. from the ambient air around them.
If B and C continue for a long time (B is just a cleaning), they eventually cause the fan to either seize and/or die.
Contact Apple for a new fan assy.

Computer is unresponsive and fans are really loud.

Last night I walked into my room to hear my G5's fans blaring loud. I tried to move my mouse and the entire screen was frozen. I didn't know what else to do but to hold the power button in to force shut it down. I let it sit for a few minutes and then powered it back up. It made it all the way to my desktop but would not load my icons and the fans started blaring again. So I forced it shutdown again. After powering it back up 2nd time it won't go pass the grey apple screen. The fans are blaring loud again.
What is causing this and how can I correct it. I am able to get online via my Macbook Pro but I really need to get to the bottom of why desktop is acting crazy!!!
Thanks!!!

No.
That is why I always advise,
CLONE and run Disk Warrior on clone, then test that out.
And in the past and for PowerPC, Applejack.
If it is with cache files, those are of course temp files, and which SD doesn't copy, some of which now 10.6.x is better at clearing during a SAFE BOOT but for which people use to use AppleJack (and Maybe Leopard Cache Cleaner) and since we are talking PMG5 10.4/10.5 PPC.
To check all the files, TechTool Pro 5.x or Drive Genius 3 (never used DG, never needed to).
Have multiple backups.
All of these system and disk repair and maintenance? mostly so you can mount and backup any files you need to, and then proceed to restore from good backups.
Usually, people are lucky and they can continue to work. Disk Warrior used regularly and for preventative maintenance (rebuild but also scan files and folders).
HFS+ is not reporting errors (they can be just weak sector, more retries on read) and even ECC is not perfect either at stopping memory errors.

Imac G5 will not boot up. there is power but the screen is black. About 30 sec after turning it on, the fan comes on loudly.

I have an old imac G5 (non Intel) The screen went blank but the fan turns very loudly. I cannot reboot the computer. whenever I start it I get power and black screen and the fan comes on loudly after about 30 secs. I have tried rebooting pressing varius keys, but no luck. I once got the flashing question mark, but I can't get that either. I'd like to reboot from the disc, but I cannot insert a disc. Any help out there??

If zapping the PRAM does not get it working, it's time for a new iMac. Repairs will not be worth the cost. Put it towards a new iMac.
I've been there, done that. Had my burial last summer.

My macbook pro keeps zapping me. even when the charger is not plugged in, my hands keep feeling tingly and the fans are running louder than usual

over the last two days since i updated my software, my laptop seems slower, the fans are running louder, and i keep feeling mild shocks (even without the charger). my hands feel really tingly and a little sore. what is going on?

cheesecakeyumm,
have you tried resetting your MacBook Pro’s System Management Controller? (I don’t know if that would have any effect against mild shocks, though.)

The fan gets really loud sometimes

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