Noisy fan iMac 27" i7 3.5 GHz

I've just purchased a new iMac 27" i7 3.5 GHz online from Apple and I'm really dissapointed level of noise produced by the fan (at idle). So much so that I had a replacement sent, which is just as noisy. It's not super loud but it is a clearly audible wispy sound in a quiet room (and noisier than my 2008 iMac).
I'm thinking of sending it back for a refund and either waiting for the problem to be fixed or waiting for the next Mac Mini to be released.
But I thought I'd check here first because I love everything else about this machine and going without a computer for a undefined amount time is going to suck. Is there anything that can be done to solve this problem? Have they always been like this or has this been introduced by a firmware update?

Are using your iMac in an above normal temperature environment? I ask because I am sitting here with my brand new 3.5 GHz i7 27" iMac and it doesn't make a sound, is cool to the touch after many hours of intensive use. So I think you will be waiting a very long time for this to be "fixed" as I don't believe there is any problem to be fixed. The fact that you say two machines have shown the same behavior is interesting. Is there anything about your situation, the location of your system, the air circulation in the room, etc. that might influence the ambient temperature near the machine?

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Anyone noticed noisy fans when iMac is idle on new iMac retina?

My fans seem very noisy on iMac retina compared with my macbook pro. Anyone else noticed this?

Yes, I just got mine last week, and today, as I turned the computer on, I heard quite a loud fan noise ... which led me here searching for an answer. It's the first time it has done this, and there's no reason for it i.e. the computer was off for the past 10hours or so. I hope it's a "one-off" occurrence, because when I re-booted the computer, the noise is still apparent, but less than a few minutes ago.
If it persists, I will be contacting Apple Support.

Why is the fan noisy on iMac? And how do I stop the noise?

Why is the fan noisy on iMac monitor and how do I rectify the problem?

Please do 2-3 SMC resets. If you don't know how please click Intel iMac SMC and PRAM resets for instructions.

Trouble running hardware test on 07 iMac with noisy fan

Hello
I have an 07 iMac with a noisy fan- I've tried vacuuming out dust from the back but want to avoid taking it apart if possible...
I read online I should run the hardware test, but since I am running Mavericks the Apple support advice is to run the original OS X install disc and restart (holding down D or Option+D)...
Long story short I got a replacement disc from Apple (I'd lost the original) but the iMac ejects it when I restart following the process above... could it be my bluetooth keyboard? Hopefully not since I no longer have the original hardwired one... or does anyone have any other ideas for either how to get to the hardware test... or fix the fan (without a third party app just stopping it)
Thanks!

Try holding down the Option key to get the one time boot manager screen then select the AHT. Not sure as Apple moved it around on different install discs but it might be on the Applications discs and not the OS X discs.

Noisy fans on iMac 24. Help

Noisy fans in iMac 24
Posted: Aug 2, 2008 1:47 AM
Reply Email
Hi Guys
I need your help on this. My 3 months old iMac (iMac 24inch 2.8GHZ Core 2 Duo Extreme) fans started making so much noise that is unbearable. They came on suddenly (you could see the wave of air) and even though I switched off the iMac for the 24 hours, when I turned it on, they noise is still on. The iMac works fine, but the noise is very very loud. The computer is in well ventilated room, so I dont know what is happening.
I bought it from apple.com and I dont want to go through all the drama of sending it for repair if there is a quick fix.
Thank you for your time.
Message was edited by: Radek

Hello Radek
You need to reset the iMac's SMC (System Management Controller) carefully follow the instructions in the link below!
http://support.apple.com/kb/HT1543
Dennis

Would a noisy fan be covered by the warrenty? Can the fan be turned off?

My iMac's fan has become worryingly noisey, can it be turned off, if so is that a danger?
Will it be covered by the warranty, it still presumably works, just very very noisy.

Hi, if the computer is under warranty or has AppleCare so is the fan.
You would be best served to do the SMC reset first if that fails to cure the noisy fan call AppleHelp or visit the local Genius Bar or Apple Approved Service Agent..
http://macosx.com/forums/howto-faqs/302002-reset-system-management-controller-sm c.html
I would also make sure you have everything backed up..before any service work is carried out..L

Has a noisy fan

What has caused my iMac to develop a noisy fan. It runs at full speed now, this has just started.

this sounds like its overheating. when it does this can you tell what graphics processor is in operation, you can do that by either using gfxCardStatus (a app that sits in the menu bar that tells you which gpu is in operation) or by going into the more info section of About This Mac and under display it should say which processor is in use at that time, either the AMD discrete GPU or the Intel Integrated one

Noisy Fan

MBP, 15'', 2.2 GHz Intel Core 2 Duo, 2GB 667 MHz DDR2 SDRAM
Hello,
the right fan of my MBP is noisy. It wasn't always like that, I've been enjoying a quiet computer for 1.5 years -really-, even though this model is a warm computer... Other friends with the same model complain about their computers being warm.. hence the need of -at least- effective and reasonably quiet fans. The other day I had the impression of my MBP being warmer than before at the same circumstances,, I wonder if this is another surprise from this model
Anyhow,,, I don't think there's nothing wrong with the fan so far in terms of cooling, it's just noisy. At its peak, when watching movies or using photo Shop heavily, fans are working up to 5000rpp, that is always the case but I don't like it with an excessively noisy fan! ....my questions are:
How can I fix the noisy fan?
Should I change it?
I don't have apple care and my guaranty is expired
good luck!

To Apple Discussions!
See Article http://support.apple.com/kb/HT1411 Apple Portables: Resetting the System Management Controller (SMC)
The following may be helpful:
iFixit
TakeItApart
Make sure your MBP is getting proper ventilation when in use. Read the user manual that came w/your computer on the proper usage to prevent +over heating.+

Hot GPU diode and noisy fan - 3600rpm

After an hour my iMAC's GPU diode is running at 88° and the CPU fan is noisy at 3600rpm. I have taken it to an Apple certified reseller and they couldn't find anything wrong. Can anyone help suggest a reason why it is running hot and noisy?

Hello davemo73 I have the right the same problem, I have taken to an Apple certified support and they told me that is everything all right with my iMac, when I arrived in my home an surprise! the same issue... noisy fan and rpms too fast. Im really worried about, I dont wanna to change the logical board (60% of imac, too much expensive in my country, like a $1100,00 half cost of new machine.).
Can someone from Apple help us? PLS I'm going crazy!!!

Have installed 10.10 on my iMac (mid 2007) 2.4 GHz 2Gb memory which has slowed to a crawl

have installed 10.10 on my iMac (mid 2007) 2.4 GHz me 2 GB which has slowed to a crawl

Try these in order testing your system after each to see if it's back to normal:
1. a. Resetting your Mac's PRAM and NVRAM
    b. Intel-based Macs: Resetting the System Management Controller (SMC)
2. Restart the computer in Safe Mode, then restart again, normally. If this doesn't help, then:
     Boot to the Recovery HD: Restart the computer and after the chime press and hold down the
     COMMAND and R keys until the Utilities 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.
3. Repair the Hard Drive and Permissions: Upon startup select Disk Utility from the Utilities menu. Repair the Hard Drive and Permissions as follows.
When the recovery menu appears select Disk Utility. 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 main menu. Select Restart from the Apple menu.
4. Reinstall Yosemite: Reboot from the Recovery HD. Select Reinstall OS X from the Utilities menu, and click on the Continue button.
Note: You will need an active Internet connection. I suggest using Ethernet if possible
            because it is three times faster than wireless.
5. Reinstall Yosemite from Scratch:
Be sure you backup your files to an external drive or second internal drive because the following procedure will remove everything from the hard drive.
How to Clean Install OS X Yosemite
Note: You will need an active Internet connection. I suggest using Ethernet if possible
            because it is three times faster than wireless.

IMac 8.1 3.06 GHz w/6 MB Ram, Lion and dead HD? all I get is "Gray Screen w/wirlie gig" but now for a new twist a circle with a diagonal line, like don't go. Is this a DEAD HD?

          I have a iMac 8.1 3.06 GHz w/6 MB Ram, and was running Mac OS X 10.6.8. My 500 GB WD5000AAKS was about 90% full. I had an issue with the admin password, it would not accept any of my known passwords. I ran for a while on the fingerprint reader I had, we have two users on the machine in our home. I tried many attempts to fix this problem without success I came up with a plan. That plan was a new HD, used a 2TB Samsung. plan worked like a charm. Installed a 4 GB Ram Chip and the new Samsung, formatted it, loaded Snow Leopard, and loaded what was on my Time Machine backup all was good.
          This was early July, then Lion was available I was happy with what I had, I had 1.450 TB of free space. So, what the heck, lets spring for Lion, that even went well for a not even 2 weeks, enough that I had several Time Machine backups.
           Then monitor goes flash, flash then I try a re-boot same gray screen with whirlie gig that I had when the the HD in my MacBook Pro died. Put the old 500 GB WD back in and all was fine, ran for a day. It was OK except back to no password and full. Went down to my local computer shops here in Rayong Thailand and sprung for a New 2 TB WDXXX, put that in, used my Snow Leopard disk to format and load OS X 10.6.8. I though that all was good, the load from Time Machine was slow and the time remaining was changing all the time, took about 3 hrs for about 300 MB that where on the LaCie.
          Now I have a password issue, however it asks for a password reset that it will NOT take and I don’t even get that now. All I get is the infamous “Gray Screen w/wirlie gig” but now for a new twist a circle with a diagonal line, like don’t go. Is this a DEAD HD? I plan to re-install the old 500GB just to systems check and if all is well I will take the “NEW” 2 TB WD back for replacement. I am thinking that I should put the new HD in and format and load Snow Leopard then up date to Lion then do my Time Machine backup. The only problem is does the circle with the diagonal line mean something more? If so how does one recover Lion with no disk if that is what I need to do. Yes, I have tried control “R” on boot, nadda, no response, “mai dee” no good. Ideas, please.

I have an iMac 8, 1 that I upgraded Leopard to Snow Leopard. It was totally updated with the latest from Apple when I bought and tried installing Lion. The upgrade failed, shot my OS and I couldn't boot. Had the constant spinner on a grey screen.. did a format of the drive, hdd repair and everything came back clean... got back to Snow Leopard and all the updates on it again and then retried the Lion thing... same bs... dead duck. Crashed my system one too many times. I can't see where a few small changes, mostly app related can be classified as an OS upgrade and is not compatible with my iMac. I have the stuff running on my Mac Pro but have yet to notice anything impressive. I've always used F3 and really didn't require Mission Control. Just open you app folder for launch pad... duh? I use the hot corners anyhow. As far as Safari is concerned... as a power user, Apple missed the boat on that for me.. full screen etc.. Wow. I don't like the new Mail either..
As you can see/read, I'm less than impressed with this release from Apple but I own so many of their products that I will have to put up with it for now... somehow the MS logo should apply to this release Steve.

Why Hp does not find any solution for Noisy Fan systems ?

I got DV6t core i5 6gb ram + 1gb Ati Radeon Graphic Card (6490m) + bluetooth + Bluray
I have to return it because of that noisy fan ; i was a new member of Hp family and i never investigate about that product for Laptop. After it got that gorgeous Laptop , i got this fan issue ; and i research that fan is working normal/anormal ; what i find out is Hp has a Noisy Fan Issue on all of the Video clips , Forum Websites even its own website ; I realy didnt know till i got it. If that is a common issue , Why that big brand HP doesnt solve that problem since many years ? I sincerely doesnt want to return this item because of fan ; because there is no comparative product in others company has .... (Bluetooth + Bluray + Finger print + 1gb (Integrated Graphic) and $749 ; i can not find any brand or product which includes that options in this price ..... So UNFORTUNATELY i am returning that Beautiful Laptop Because of ridiculous fan noise ; is that really hard to install a fan which is really silence ??? I have a Toshiba brand laptop , even the fan is working hard there is no bothering noise at all (Even its 4 years old) . I was thinking that Hp product has high performance equipment thats why this fan works hard or noisy because it could be stronger than my Toshiba which has core 2 duo technology 256 mb graphic card ; But i was wrong because of this video clip ; http://www.youtube.com/watch?v=-yLEXZGRGPY

I got DV6t core i5 6gb ram + 1gb Ati Radeon Graphic Card (6490m) + bluetooth + Bluray
I have to return it because of that noisy fan ; i was a new member of Hp family and i never investigate about that product for Laptop. After it got that gorgeous Laptop , i got this fan issue ; and i research that fan is working normal/anormal ; what i find out is Hp has a Noisy Fan Issue on all of the Video clips , Forum Websites even its own website ; I realy didnt know till i got it. If that is a common issue , Why that big brand HP doesnt solve that problem since many years ? I sincerely doesnt want to return this item because of fan ; because there is no comparative product in others company has .... (Bluetooth + Bluray + Finger print + 1gb (Integrated Graphic) and $749 ; i can not find any brand or product which includes that options in this price ..... So UNFORTUNATELY i am returning that Beautiful Laptop Because of ridiculous fan noise ; is that really hard to install a fan which is really silence ??? I have a Toshiba brand laptop , even the fan is working hard there is no bothering noise at all (Even its 4 years old) . I was thinking that Hp product has high performance equipment thats why this fan works hard or noisy because it could be stronger than my Toshiba which has core 2 duo technology 256 mb graphic card ; But i was wrong because of this video clip ; http://www.youtube.com/watch?v=-yLEXZGRGPY

I recently purchased a refurbed iMac with a 3.06 GHz Intel Core 2 Duo. It came with iMovie ver. 9.0.5 installed. I do allot with iMovie and iDVD and would like to get a camcorder to add movie clips. Does anyone have any suggestions for a reasonably pri

I recently purchased a refurbed iMac with a 3.06 GHz Intel Core 2 Duo. It came with iMovie ver. 9.0.5 installed. I do allot with iMovie and iDVD and would like to get a camcorder to add movie clips. Does anyone have any suggestions for a reasonably price camcorder that would work with my setup?
Thanks in advance for any suggestions.

I recently purchased a refurbed iMac with a 3.06 GHz Intel Core 2 Duo. It came with iMovie ver. 9.0.5 installed. I do allot with iMovie and iDVD and would like to get a camcorder to add movie clips. Does anyone have any suggestions for a reasonably price camcorder that would work with my setup?
Thanks in advance for any suggestions.

G5 Dual 2.7Ghz Constant Noisy Fans

Hi there,
I'm really annoyed with this whole situation since Apple don't appear to have publicly acknowledged the noisy fans/chirping noise problems G5 users (with varying spec hardware) have been experiencing and posting about for over a year.
Anyway, here's the deal:-
My main spec is as follows: G5 Dual 2.7Ghz/4.5GB RAM/Mac OS X 10.4.6 installed on the shipped Western Digital 250GB SATA, 2nd internal 250GB SATA (Maxtor DiamondMax), 20" aluminium Apple Studio Display.
Since I performed the upgrade to 10.4.4 back in early May 2006 the fans have been constantly on as soon as the login window appears and remain at full pelt all the while the machine is on - clearly unacceptable and unusable. Fortunately for me it's not my only Mac although this is besides the point as I have now had an unusable machine for over a month and not been able to do any work with it - it is a production machine used for making music with Logic.
The bottom line is that I've not been able to make any music!
None of the suggested resolution methods that have been written about in the forums or elsewhere on the 'net (eg. installing CHUD tools etc) have made a blind bit of difference.
Furthermore, I have always had the chirping sounds since I purchased the machine in person from the Apple Store in July 2005.
For the past few weeks I was convinced that the fan problems were caused by the 10.4.4 update (when it started) and that the subsequent 10.4.6 update hadn't cured the problem.
Prior to this, I hadn't run a software update since December 2005 purely because I had heard horror stories from friends and other G5 users posting to forums etc. - if it ain't broke, don't fix it right?
I haven't really had the time to devote to trying to sort the problem out but I decided earlier today that tonight was the night to have a look at it.
Having spent all evening trying various things I am now convinced it is a hardware problem as opposed to being software related.
Here's what I tried earlier with the machine spec as above:-
1. Booted the G5 with Disk Warrior 3.0.3 boot CD
2. Ran all Disk Warrior tasks on both drives - eg, 0% fragmentation
3. Re-booted, fan noise still there from login window
4. Manually ran daily, weekly and monthly CRON jobs from Terminal - OK
5. Ran Disk Utility on main HD, repaired permissions - OK
6. Ran Disk Utility on secondary HD, verified disk - OK
7. Powered down
8. Removed all leads incl. power, monitor, all USB and Firewire
9. Removed 4GB RAM leaving 500MB stock RAM, reset the PMU
10.Ensured the removable fans (covering the RAM) were re-seated firmly
11.Replaced plastic 'door', attached monitor (DVI only) and keyboard USB
12.Re-booted, same problem, fan noise still there from login window
13.Attached Firewire HD with Mac OS X 10.3.8 installed
14.Selected Firewire HD in the Startup Disk system pref
15.Rebooted into Panther, same problem, fan noise still there from login window
AAAAAARRRRGGHHHHH!!!!!!!!!!
The last time I booted my G5 from the Panther Firewire HD (which incidentally hasn't been used since) was prior to me doing the 10.4.4 update on my G5's main boot drive and there was NO fan noise whatsoever!!!!!
Clearly I need to call and speak to someone at Apple tomorrow as the G5 is nearly one year old and I need to get this problem sorted out before it's out of warranty.
It just seems an odd coincidence that the problem started when it did!
Anyway, if any Apple techs or other G5 owners with a similar setup (specifically the dual 2.7) are reading this I'd appreciate a response or some advice for other things to try.
I'm just really frustrated and a little annoyed that having been a very content Mac user for years this is the first and only time I've ever had a problem with a piece of Apple kit.
Like I said at the top of the post, I can't believe the lack of acknowledgement on Apple's part as it would appear to be a known/common issue.
Just my £0.02.
Thanks for reading/listening.

Ok, take a look on your plastic shield, one of the bottom "tabs" should have a shiny metal coating of some sort, if it's gone or moved, then this could be the reason your fans are going "turbo".
If your fans are just at a high speed all the time, consider lowering your room temps to about 75ºF and see how it goes after a few hours/days.
It's most likely a wise decision to have the G-folks take a look at it anyway before it gets out of warranty. you might need a fan calibration or firmware change.
You still have a chance to buy AppleCare and get it registered before the 1 year warranty expires.
The Dual 2.7 is the hottest PM of the bunch, overclocked I would think.
You said the WD drive was OEM correct? Came with the PM stock?
Because the newer WD drives now have a new SATA spec that requires a SATA PCI card to function correctly in PM's.
Have you tried a complete reinstall of the OS?
Did you upgrade Tiger over Panther? (not good, less secure, previous exploits)
Do a backup, a clone of your boot drive to a external using Carbon Copy Cloner (check in the forums for their advice!) would be better.
the c boot off of Tiger install disk (not upgrade version) and from the installer menu Disk utility Erase w/Zero the boot drive (takes longer but writes are more reliable) and then reinstall Tiger, software update till clear, reinstall iLife '06 and all apps from fresh sources, avoid Migration Assistant (too blind, no app DRM copies) install files and see if your fan problems return.
Sometimes if Mac OS X is not operating correctly it won't tell the hardware to turn the fans down.
Don't install any OS/root level/admin password type programs or hacks until you've had a chance to clone that pristine puppy to a external drive (preferably 2) and keep it disconnected for safekeeping.
It's takes practically no time to option boot off a clone to recover, repair or reverse clone to the original drive. If your exploited, first c boot and Zero the infected drive before hooking up and option booting off the clone of course.

I bought my imac in 2007 2.4 ghz core 2 duo. Can I get 10.8 software update on it or do I need a new imac? thanks

I bought my imac in 2007 2.4 ghz core 2 duo. Can I get 10.8 software update on it or do I need a new imac? thanks

Visit > Apple - Upgrade your Mac to OS X Mountain Lion.

Noisy fan iMac 27" i7 3.5 GHz

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