My iMac fan is making a loud noise

My iMac is making a loud noise. What is causing this.

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/
Have you done a PRAM reset, CMD+Option+p+r...
http://docs.info.apple.com/article.html?artnum=2238
Take the time todo 3 in a row.
Intel-based Macs: Resetting the System Management Controller (SMC)...
http://support.apple.com/kb/HT3964

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I turned on my IMAC and my fan is making a loud noise never had this before

how do I kepp the fan noise at a minumim it isstarting to make a lot of noise where there was none before today when I first started it up.

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/
Have you done a PRAM reset, CMD+Option+p+r...
http://docs.info.apple.com/article.html?artnum=2238
Take the time todo 3 in a row.
Intel-based Macs: Resetting the System Management Controller (SMC)...
http://support.apple.com/kb/HT3964

Fan started making a loud noise

Help just switched on my computer and the fan is so loud .......any answerrs

Sometimes a SMC reset will fix the issue.
http://support.apple.com/kb/HT3964

My macbook air's fan is making a loud noise

i have had my macbook air for about 4 months and now the fan around the f1 f2 keys is relly loud it started today and its relly loud help

Yes, thats plate or screw pop, check the bottom for a loose screw.
If not then normal, its the alloy plate flexing under torque from grabbing it at one end and the weight causing the plate to pop just a bit

The fan is making a loud noise. Plus the battery icon on the bar has disappeared. When I connect the charger I don't get a light ( neither the green or the orange light). Please advise what's wrong plus how do I fi

Please help. Noisy fan on my MacBook Pro. The light doesn't turn on when I connect the charger. Plus the battery icon has disappeared on the tool bar.

Try resetting the SMC http://support.apple.com/kb/ht3964

IMAC fan is making a very loud noise

Hello,
Does somebody has similar problem?
I switch on the iMac and the fan is making too much noise that I can not hear the sound on the computer and the there is a lot of air coming out.
It is on all the time and I already open a SR with the apple care to repair it, I left the computer for a few days in the apple center but they do not fix it, apple do not care about it.
I have this problem since I bought the iMac.
Sometimes it is no making noise it is quite.
I read that some iMacs have this problem and Apple did not do anything to sort this problem, at least mine was not fixed.
I bought the Apple care but it is useless because Apple does not want to fix this problem, they said that they were not able to reproduce the problem.
Any help let me know, please.
Thank you.
Maria

It can be caused because of different reasons: a process which is eating your CPU, a defective fan, a problem with the SMC, etc. First, reset the SMC > http://support.apple.com/kb/HT3964
If it doesn't work, run Apple Hardware Test > http://support.apple.com/kb/ht1509 This program will allow you to diagnose problems with the hardware of your computer, although this may fail and it may not show anything. When you run Apple Hardware Test, make sure you tick the box to run an extended test. Finally, if you see an error at the end, copy it here and copy it in a piece of paper and take your computer to an Apple Store or reseller, because it indicates that there's a hardware problem with your iMac and it must be fixed

Fan making really loud noises

Hi,
The fan on my laptop is making very loud noises, like something's stuck in it, but after I took the entire laptop apart, and cleaned the dusty fan, the noise level is still the same (+3 extra screws now...=( ). Is there anything else I can do, or do I need to replace the fan? If yes, can I get a replacement fan at any normal computer store? The model is Compaq Presario V3233AU.
Thanks!
Message Edited by ArielSY on 10-26-2009 09:36 AM

So I just talked to an HP online specialist, and it turns out that it might not be the fan at all, and might instead be the hard drive making the grinding noises. I cleaned the fan, and my laptop temp has gone down significantly, so I'm not sure that was the problem either. The specialist said that I could take the laptop apart, take out the hard drive, and run the laptop to see if the noises continue to confirm if the fan is making the noises. If not, the hard drive is probably replaceable =P
However, he ALSO told me that I could continue using my laptop, regardless of the noises, which was confusing, as I assumed that anything wrong with the hard drive probably had to be fixed immediately for me to avoid losing all my data? Help! What should I do?!

JBL flip 2 making a loud noise

Hey all,
My Jbl flip 2 makes a loud noise (thud) as a notification arrives. And the keyboard sound too is too loud even though the volume is kept low. Can anyone suggest any solution?
Regards
Hardik J

Cardiomanpro wrote:
Anyone experience an issue with their DVR where it is making a loud noise. Reminds me of the noise a PC makes when the power supply is ready to go...thoughts?
Thoughts? It obviously has to be replaced. You haven't stated the model number, but if you search these pages you will find many posts with the exact same problem you have described (for a given model DVR). It's either the fan (in some models) or the hard drive, because there are no other moving parts.
These devices cannot be repaired in any reasonable way in your home, and the only solution is replacement. Either contact Verizon, or use one of the FiOS stores for a replacement unit.

IMac hard drive making a chirping noise!!

IMac hard drive making a chirping noise!! Its a quiet chirp that goes along with the hum of the hard drive. It doesn't always do it but I'm worried anyways. Has anyone else had this problem? Is it a problem?

They told me it's likely the CPU Fan - a known issue - and said that resetting the SMU was the first step towards fixing it. I performed that reset, but the crickets in my machine are still alive and chirping. Step #2, as it was told, is to take the machine back to the Apple service center to be repaired. BUT - looking through other threads here on the same issue, it looks like the issue is currently handled by replacing the CPU fan with another identical model and that because the underlying engineering issue has not been fixed, the crickets will return.
So if this problem is not harmful to the computer, I may be ignoring it for the time being.
Regarding the recalls though, where did you find the serial number range for the recall? I should check mine against that list.

SuperDrive vibrating and making very loud noise

Whenever I finish ripping a CD, the SuperDrive starts vibrating (excessively?) and making a loud noise for about 10-15 seconds... I was thinking that was normal, but recently the noise has kept getting louder and this last time the whole MBP was vibrating so much I ejected it before the noise stopped...
Would this call for a visit to the Genius Bar?

Yes, a few months ago I noticed it making a lot of noise for 10-15 seconds after CDs finished ripping to iTunes, though I can't say for sure it wasn't doing that before. Within the last few days it's gotten so bad that the whole desk that the MBP is sitting is vibrating heavily... not normal, I assume. :/
This would be under warranty, right? (13" refurb MBP bought in Jan 2010)
Message was edited by: liam27

Hard Drive is making a loud noise on my laptop! Help!

Hello,
I have owned my hp envy 17 laptop for almost 2 years now. Recently my computer has been making a really loud noise and it seems it is working a lot harder than it needs to be. I suspect the fan or the hard drive is the culprit but I have convinced myself it is the hard drive.
When I start up my computer the loud noise begins almost immediately after startup. This noise sounds like the computer is working as hard as it possibly can, almost making a grinding noise. Even after the computer has booted up, this noise continues for another minute or two before it stops, then my laptop becomes quiet. What puzzles me, and leads me to believe it is the hard drive, is the fact my computer get unreasonably hot when the noise occurs; it never used to do this before.
This is not what confuses and annoys me the most, it is the sound reoccurring again. This situation is something I have never heard of before. My laptop for some reason ,when it is moved or bumped, even the slightest, start to "rev" and the hard drive roars; it does this for five minutes or so. It also does this when the laptop is closed, and in "sleep mode"; the slightest bump lets it off like a baby. I suspect that there is a switch, flap or wire that is not attached properly and when moved it triggers the hard drive.
I have found a few small solutions to this problem. The main thing I do when the sound occurs is I close the laptop lid which puts it in sleep mode and turns off the hard drive, silencing it for the time being. This solution I came across by accident; I turned my laptop sideways when the sound occurs and the sound stops until I put the laptop upright again(Laptop is open).
I would like to hear your thoughts on this, a solution you might of have encountered or any explanation of the cause; also explain any costs. I have partially opened up my laptop and it looks in order to me with the dust at a minimum. I'd rather check online for a solution first before bringing it to a computer repair shop which, i'm willing to do as a last resort.
Sincerely,
Greg
This question was solved.
View Solution.

Without hearing the sound it is hard to judge but it does not sound like a hard drive from your description. Hard drive noise is usually a rhythmic "click" not a sustained "whirr". That kind of noise comes from a cooling fan. We can test the hard drive in the BIOS. Tap F2 as you power up to enter UEFI diagnostics and look for the hard drive test. If you do not have UEFI diagnostics (i.e. your laptop came with Windows 7 not Windows 8) then tap F10 and look for a hard drive diagnostic in the old-school BIOS interface.
The Envy 17 series tends to run hot and cooling fan issues are not uncommon. Sometimes it can be fixed by self-help such as blowing out the fan with compressed air. If it is the fan, the replacement fan is not too expensive but labor might run $80-150 for replacing the fan. Post back with any questions.
If you are going to post back please give us your full model number found on the bottom of the laptop or in the battery bay.

IMAC freezing, hang during startup, loud noise coming out from the speaker

I am using the iMAC i3 Intel based which i bought it just a month ago
Last week it hang, freeze just like that without me launch any application just yet
I hold the ON button for a restart, and it freeze during the startup
One more thing, sometimes when it freeze, there's a noise coming out from the speaker ( just like there is no signal from the TV )
Already sent it to the Apple Service Center but they tell me it is free from any error, but by the time i bring it back home, not even 12 hours, it freeze again just like that with loud noises coming out from the speaker.
Btw did i mention, sometimes there's also a screen distortion
Please somebody help me

I've experienced similar symptoms to the original poster's description. I have an iMac 27" 2010 model. This may be related to the following:
I've looked on numerous forums regarding the freezing problem I was having. This problem would arise on a wide range of systems.
Symptoms included but were not all always present - usually when I am loading the system with games/heavy load processes:
- Full system freeze, screen still on.
- Loud cracking noise coming from speakers (relative to what volume was at when the freeze happened).
- Computer asleep but I cannot wake up unless hard reset with power button.
- My screen backlight was also damaged (permanently dimmed) near the left side, and progressively got worse over time. This was fixed (replaced LCD 27" display $600+ and covered by my creditcard extended warranty)
Basically, what I've come to realize which has not been well documented as far as I could find relating to this problem - is that the system is overheating and causing these freezing errors (and LCD damage in my case). Prologned occurances could result in different system part failures.
How do you fix the overheating problem? Give this a try, it's worked so far for me and I've actually been able to continue video/photo editing without having this annoying freeze.
Search for and download 'iStat Pro' (widget addon that lets you monitor your system temperatures... compare it before and after the fix)
Search for and download 'SMCFanControl (a great little app that allows you to change your system fan speeds) - I did not know this was possible, and have never heard the fans go this high when it was being run automatically by the system. The fan's are obviously louder when set to max, but is well worth the system cooling results.

My imac fan is making a purring sound

My imac is making a loud "purring" sound but it is inconsistent. Is there a way to reset the fans ?

If it is real quiet and I put an ear close to my (get this) Early 2006 Intel iMac I can hear the CPU fan purring at the default speed just like you describe. Adding that it has done this for (lets see) 6 years and 10 months and has never gotten any worse. The bottom grill work and HD intake behind the stand get cleaned every few months and it has been opened several times over the years for a thorough cleaning. I have used SMCFanControl on it almost from the time it was new and can barely hear the CPU fan if I kick it up from the default speed of 1100 RPM to somewhere between 1250 and 1300 RPM. Additionally I feel that over the years, periodic cleaning and running both the CPU and HD fans up a few hundred RPM, has made her last longer and I'm certain that the grandkids will get a few more good years out of the old girl.

Fan starts to make loud noise when watching youtube videos

Hello there, I have been having a problem with my Macbook Pro for a while and I hope I can find some help here. My Macbook Pro has the problem that when I am watching youtube videos and I have the fullscreen option on, if the video is lasts, say more then 4 min or so, then after a while the fans start to kick in and they keep getting louder and louder for no reason.
It also does this sometimes when I open the spotlight to search for something, although that hasnt happened as much lately. But this is really getting annoying, I mean, why would a simple video from youtube, make the mac go all crazy as if I was rendering or exporting video, its nuts. I have all the updates installed too.
I also went to an Apple store, and of course when I try to show the person the issue I have, the macbook pro works just fine! Its somewhat random. I told the guy that I have Applecare and if they could just hold onto the machine and test it out themselfs and the guy tells me, that I have to pay THEM for this service if they dont find anything. What the? Is it my fault if the issue doesnt come up during their suposed testing time? What if they just dont do anything to it, and then say they dont find anything, and im suposed to pay for this even though I have Applecare? There must be something wrong.
Anyway, I really appreciate any help and guidance I can get on this issue. Btw, my Macbook Pro is the second generation one, the one with Intel Duo Core 2, 2.33 ghz, 2 GB ram and the ATI video card. I also recently ran Disc Utility from the install disc and I repaired some issues on the HD, but its still the same.
Thank you for reading and (hopefully) responding to this topic.

Thank you for the replies. I have just downloaded the iStat Widget and I noticed that the fans were at about 2800-2900 rpm and the sound wasnt noticable, I then played a youtube video that lasts for 5 min, although already on the 1 min mark the fans were getting louder when running in full-screen mode. I then checked iStat and it peaked at around 5994 rpm. I then stopped the full screen viewing and it went back to 3000 rpm after a while, and now it seems to be locked at 2400 rpm.
What I dont get is, why is it that when I play videos from my hard drive and watch movies, even in full screen mode, it doesnt get near 5990 rpm at any point, at least I dont notice any loud fan sounds. Although that has happened when I watched a HD video from my desktop that lasted about 6 min, but the fans didnt go as loud as right now.
Also, a few days ago, I was playing a small flash game on the net, and I got the same problem with the fans as with the youtube videos. I read that youtube uses flash, is this right? Could there be something on this? I have downloaded the latest flash player version though, so I dont know whats going on.

HT1529 fan making a loud noise on my iMac running OSX Lion 10.7.4

Has anybody had this problem. The cooling fan on my 27 inch iMac has suddenly gone into high speed.

Problems related to unexpected system sleep, shutdown, lights or fans call for an SMC reset:
Resetting the SMC for Mac Pro, Intel-based iMac, Intel-based Mac mini, or Intel-based Xserve
Shut down the computer.
Unplug the computer's power cord.
Wait fifteen seconds.
Attach the computer's power cord.
Wait five seconds, then press the power button to turn on the computer.

My iMac fan is making a loud noise

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