Nasty rumbling noise from front fan.

Hi Guys,
My nice new Mac Pro that was near silent yesterday has now has become very noisy today, sob, sob.
I have removed the disks and started it up with the cover off and had a listen and have tracked the loud rumbling noise down to the front fan. After turning the machine off I stuck my fingers in and there seems to be some play in the fan blades.
Has anyone else had this, and if so does it go away or get worse?
Thanks for any help
Andy

Fan bearings wear out and become louder over the years, but it sounds like you got a bad ball or sleeve bearing from the factory, it happens...
I don't know how easy it is to replace the fan, but to avoid messing up your warranty you should get an apple service center to look at it.
You could try waiting it out for a week or two though. If you're lucky it'll become less noisy after grinding away on the bearing for a while.

Similar Messages

G72-b57cl notebook mic noise from CPU fan

g72-b57cl notebook mic noise from CPU fan
At first I bought this laptop, mic setting was disabled. I enabled this, and then I can't talk through the mic because of noice from CPU fan. how can I solve this problem?

See, I'm not entirely sure it's the fan. I can just hear it more easily the closer I get to the fan, which leads me to believe it's somewhere around there. As in, not the HDD on the other side of the computer, though I suppose it could feasibly be it. I also think I could have described the noise a bit better. It seems to sound like the CPU when it's under strain, but...not the same, I can't quite explain it. The computer will heat up and spin the fan independently of this. If it is the CPU or GPU, then I don't see what's generating this extra load separate from the nvidia-utils, which I already had earlier.

My new 3 month old imac 27 with 10.6.8 snow is giving a **** of noise from the fan. suddently starting after today starting up. and the volume buttoms and screen lights up and down not working any more.. any one who can help here???

my new 3 month old imac 27 with 10.6.8 snow is giving a **** of noise from the fan. suddently starting after today starting up. and the volume buttoms and screen lights up and down not working any more.. any one who can help here???

Try an SMC Reset. (System Management Controller)
Shutdown>unplug from power for ten minutes>press and hold in the power button for ten seconds>startup again.
Also try a PRAM Reset. (Parameter RAM)
Shutdown. At the bootup chime, hold down CMD-Option-P-R together, wait for two more chimes, total three, then let go of all keys to finish booting,
If this doesn't do it, run the Hardware Test in Extended
http://support.apple.com/kb/ht1509

Horrible buzzing and clicking noise from the fan - DV6 3046eo

Hello!
Two weeks ago the fan on my DV6 3046eo laptop began to make almost continueosly buzzing and clicking noise. My laptop is less than an year old (bought in December 2010) and such noise has never occurred before. I have done some "research" to find the reason, but without luck. I have read on Internet that the fan may be broken or loose. I am just using the web and listening the music. I have to admit I played some demanding games on the computer, like BBC2 and Dirt3. But the problem occured later. I can't imagine what will happen if I play games on my laptop now...
The fan seems to cool down the laptop, but it is like something is hitting it every third second or soand preventing it from running silently. The noise is strange and irritating because the frequency changes rapidly. Sometimes when I move the laptop or hit it a bit gently, the loud noise suddenly disappears and the normal continueosly noise takes over (I am ok with the latter one, though). After some while it appears again. The noise come and go. Reboot doesn't help much. I have also used an airspray can, but to no avail. I am thinking about getting the fan replaced by HP before the 1 year warranty runs out. I am not too comfortable to do so myself. What's the reason for this noise and what should I do?
Thanks in advance!
Sandip

Still no comments?
I am getting sick of this noise. I can't bring my laptop to school because it makes too much noise. Please help me.

Squeeky noise from the fan?

Hya, i have a nice mac mini, works like dream ofcourse. However the last few weeks there is a kind of squeeky noise comming from it. I think it is the fan or so. It sounds like cd drive trying to read a damaged disk, but less loud. And it has the rithme of something like a horse galloping.
So, what dou you think, should i open it and lubricate the fan, or just clean in maybe? Or just see wheter i still have apple support
Mac Mini 1.86 duo Mac OS X (10.4.9)
Mac Mini 1.86 duo Mac OS X (10.4.9)

Welcome to Apple Discussions!
First off I'd say look to see if you still have warranty cover and if so, have it looked at. Squeaking noises are not often associated with impending system failures, but they can be indicative of significant faults, so it's worth having it checked out if you can.
If that option isn't available and you are comfortable with the notion of opening it up, doing so should be able to help determine what is causing it. A screwdriver with the blade rested lightly on the optical then internal hard drive with your ear up against the blunt end can help localize the noise if it's not immediately apparent. If it's the fan, you'd likely need a graphite-based lubricant rather than oil, and if that doesn't cure it, it would tend to suggest a damaged thrust face on the bearing, which would mean the fan needs to be replaced.

GE70 2PE Buzzlike noise from Fan/CPU area

Greetings fellow dragon army. My newly bought(been 3 weeks or so) has started to create excessive buzzlike noise from the fan as if theres a little string hitting the fan while its working especially when turbo boost is on making it very very annoying but also making me troubled. I've not hit the laptop to any surfice and theres no problem whatsoever affecting the performence at all. Any ideas what might cause this?
Thank you for your replies, Have a good day.
Best regards, Berkcan.

this could be a defect fan where fan is spinning right but making a noise unless it's from speakers.

Removing Fan noise from lighting

First, thank you for your responses... Secondly, I know these problems should be thought of in advance and not to rely on post so I would appreciate help rather than criticism...
There is noise from the fans of the lights. A single person is speaking to camera in an inside room. I have reduced noise (set noise print –> reduce noise) in ST Pro, which got rid of fan noise (-45db), but distorts the voice so it sounds like he is speaking underwater. I added an EQ filter, but can't get this to sound very good...
I have Soundbooth CS5 and FCS. Thanks for any help.

STP noise reduction has a tendency to do that rather quickly. The only thing that helps is to reduce the amount of noise reduction which defeats much of the purpose.
First first adding some parametric eq to reduce the bad frequencies and then do a noise print and noise reduction, using less reduction, no lower than about 54dB.
You can also go into the spectrum analyzer and try to carve out the bad frequencies. This is more difficult than in Soundbooth's version, which is were I generally head off to for that sort of work.
Recently I've been trying Isotrope's RX noise reduction and find it miles ahead. Where I was using it I found I had to back up and reduce background in a lot more shots I'd previously just skipped over. It's one of those things that can be too good. It's spectrum analyzer is also quite good.
Good luck

Why does my Mac air make a lot of noise with the fan inside?

I bought Mac air one year ago. at the beginning, I satisfied with the product. However, 8 months later, the laptop made a lot of noise from the fan inside. When I I run about 4 or 5 solfwares, it starts warmer and make noise. I feel so unhappy with this. How can I fix it. I bought AppleCare programme for 3 years as well
Thanks

The mid 2011 MacBook Air fans are pretty quiet but not silent and since they are the only mechanical decice you'll hear - there's no hard drive or DVD drive to make noise - it is possible that what you hear is normal. On the other hand, fans can go bad - bearings fail and dust an make the blades become unbalanced. None of us can help - you'll need to take the computer to a repair center or Apple Store and let an Apple repair person determine if the fans need replacing or not. If so, your warranty will cover the cost.

Constant Fan Noise from Hard Drive

My power book runs with a constant 'fan' like noise from the hard drive (front left of pd)
My friend has same machine and has No sound,
checked with display models in Apple Store (ear right necxt to pb) - No sound
I have had this low level noise from new.
Anyone else have the same problem.
John

hello there!
When I upgraded to 1.4.0 and I notice that ear piercing noise and it was quite annoying. I called Apple and they advised me to look into the activity monitor. And YES, it ws the anti virus that came with .mac that 1.4.2 for some reason did not like and the process was running for such a long time consuming the resources including of course HD. I removed the anti virus (which at this point was useless) and the machine was just wonderful again.
I think what I may say is that you may want to look for a process (using the activity monitor) which is eating the cpu alive - if you can remove it the better, else try to deal with. Good luck - an OSX convert!

MacPro4,1 Front fan noise-since installing new drive

Since installing a new drive in bay 4, my front fan (PCIe) is very noisy.
This happens not only on start up, shut down & sleep wake up- but for no apparent reason. It use to sound like a purring kitten- now sounds like clacking metal. Before doing the install, we blew out all the dust with canned air. Then did it again the next day.
Tried resetting the PRAM & SMC.
It is possible when blowing out the dust we forced the fan off it axis?
Any thoughts?
Thanks.

You transferred the thermal sensor from the old hard drive to the new hard drive and reconnected it to the logic-board???
If so, then perhaps it or one of the many other sensors or sensor cables is disconnected or damaged.
One way of checking the sensors is to run the Apple Hardware Test.
http://support.apple.com/kb/HT1509
Another is using iStat Menus or the iStatPro Widget and look at the sensor readouts.
http://www.macupdate.com/app/mac/25230/istat-menus
http://www.islayer.com/apps/istatpro/

Why does Mountain Lion triggers front fan in Mac Pro?

Hi all, this is my first visit to this community and I hope there won't be much more .
I bought a new SSD drive for my Mac Pro (early 2008). I had to install it from my Macbook Pro because Leopard in the Mac Pro wouldn't allow me to.
Neither I could perform a bootable USB clean install since the Mac Pro didn't show the device in the drive selection splash screen.
Then I put the SSD back into the Mac Pro and eureka, everything worked just fine. After about 30 seconds with the desktop in front of me, the front fan of the Mac triggered like if it was a constant reboot. However, the system worked just fine with no trouble but the annoying noise of the fan.
It's an OS related problem because this doesn't happen in Leopard. Any idea what went wrong?

Faulty installation. Why could you not install the SSD in the Mac Pro running Leopard? Why are you running Leopard in the Mac Pro instead of upgrading it to Mountain Lion? Try doing it this way. Put the SSD into the Mac Pro.
Erase and Install
1. 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 Utilities menu.
2. After DU loads select your SSD (this is the entry with the mfgr.'s ID and size) from the left side list. Note the SMART status of the drive in DU's status area. If it does not say "Verified" then the drive is failing or has failed and will need replacing. SMART info will not be reported on external drives. Otherwise, click on the Partition tab in the DU main window.
3. Under the Volume Scheme heading set the number of partitions from the drop down menu to one. Click on the Options button, set the partition scheme to GUID then click on the OK button. Set the format type to Mac OS Extended (Journaled.) Click on the Partition button and wait until the process has completed.
4. After formatting finishes quit DU and return to the installer. Install Leopard onto the SSD.
Upgrade Paths to Snow Leopard, Lion, and/or Mountain Lion
You can upgrade to Mountain Lion from Lion or directly from Snow Leopard. Mountain Lion can be downloaded from the Mac App Store for $19.99. To access the App Store you must have Snow Leopard 10.6.6 or later installed.
Upgrading to Snow Leopard
You must purchase Snow Leopard through the Apple Store: Mac OS X 10.6 Snow Leopard - Apple Store (U.S.). The price is $19.99 plus tax. You will be sent physical media by mail after placing your order.
After you install Snow Leopard you will have to download and install the Mac OS X 10.6.8 Update Combo v1.1 to update Snow Leopard to 10.6.8 and give you access to the App Store. Access to the App Store enables you to download Mountain Lion if your computer meets the requirements.
     Snow Leopard General Requirements
       1. Mac computer with an Intel processor
       2. 1GB of memory
       3. 5GB of available disk space
       4. DVD drive for installation
       5. Some features require a compatible Internet service provider;
           fees may apply.
       6. Some features require Apple’s iCloud services; fees and
           terms apply.
Upgrading to Lion
If your computer does not meet the requirements to install Mountain Lion, it may still meet the requirements to install Lion.
You can purchase Lion by contacting Customer Service: Contacting Apple for support and service - this includes international calling numbers. The cost is $19.99 (as it was before) plus tax. It's a download. You will get an email containing a redemption code that you then use at the Mac App Store to download Lion. Save a copy of that installer to your Downloads folder because the installer deletes itself at the end of the installation.
     Lion System Requirements
       1. Mac computer with an Intel Core 2 Duo, Core i3, Core i5, Core i7,
           or Xeon processor
       2. 2GB of memory
       3. OS X v10.6.6 or later (v10.6.8 recommended)
       4. 7GB of available space
       5. Some features require an Apple ID; terms apply.
Upgrading to Mountain Lion
To upgrade to Mountain Lion you must have Snow Leopard 10.6.8 or Lion installed. Purchase and download Mountain Lion from the App Store. Sign in using your Apple ID. Mountain Lion is $19.99 plus tax. The file is quite large, over 4 GBs, so allow some time to download. It would be preferable to use Ethernet because it is nearly four times faster than wireless.
     OS X Mountain Lion - System Requirements
       Macs that can be upgraded to OS X Mountain Lion
         1. iMac (Mid 2007 or newer) - Model Identifier 7,1 or later
         2. MacBook (Late 2008 Aluminum, or Early 2009 or newer) - Model Identifier 5,1 or later
         3. MacBook Pro (Mid/Late 2007 or newer) - Model Identifier 3,1 or later
         4. MacBook Air (Late 2008 or newer) - Model Identifier 2,1 or later
         5. Mac mini (Early 2009 or newer) - Model Identifier 3,1 or later
         6. Mac Pro (Early 2008 or newer) - Model Identifier 3,1 or later
         7. Xserve (Early 2009) - Model Identifier 3,1 or later
To find the model identifier open System Profiler in the Utilities folder. It's displayed in the panel on the right.
     Are my applications compatible?
         See App Compatibility Table - RoaringApps.
     For a complete How-To introduction from Apple see Upgrade to OS X Mountain Lion.

RAM and GPU ultrahot and extreme noise from Z400

Dear All, I just bought this machine, got rid of the 4 GB of RAM already installed in it and bought 24 GB of Corsair RAM (the only result coming up on their website when using Z400 as a query) for it.The system runs really well, except for how incredibly loud the case fan is, and that the RAM measure 70-80 degrees C (Celsius!!!) in the BIOS. GPU (Nvidia Quadro 295) I measure to 60-70 C in Hwmonitor. I can at least remove one of the two graphics cards, which could help a bit.For the CPU, mobo and HDD, all temps are good = no more than 40 C.How is this possible?I´m wondering if I did right by putting all the nearby cables "inside" of the airflow guide when putting it back on after installing the RAM. The ones from the PSU would have to be there anyway since the PSU is next to it.Is it possible that I have pulled up the power cable for another chassis fan? The one on the backside is indeed spinning.Let it be said that there are about 10 cms till where the wall is from the backside of the PC, and the temp in the room is around 30 C at the moment.This of course makes things hot, but such hot GPU and RAM when system is doing nothing is not normal, and the case fan making such noise trying to cool at (running at about 2200 RPM) shouldn´t be necessary I suppose.I upgraded the BIOS and I see that the fan is at the lowest setting. Moving it up REALLY makes it noise. Thanks in advance!

Jazz, With HWMonitor, the free version, from CPUID.com you can see the RAM stick's individual temps due to having an internal thermisitor built into each stick. Mine in this souped up xw6600 are running currently about 70C, and the ambient air here measured by HWMonitor vit its "TMPIN2" listing is 19C. Cool morning.... There are 3 other measured temps at the top in HWMonitor termed Motherboard, CPU, and TMPIN3. Those also are thermisitor readings, but those thermisitors are part of the motherboards, and I've never been able to figure out exactly where they are located. The only one that is built in to a cable is that ambient air one, which in the case of the xw4600 and probably your Z400 is zip tied to the front case metal grill, and for the xw6400/xw6600/etc. is integrated into the shrink wrap of the front I/O cable. It is in the front view pic of the metal case of the xw4600 Ghetto Mod post just barely visible as a black device seen through the second square hole near the top left of the fan, located just above the fan plastic outside edge. It gets accurate ambient air info in that position. Do me the favor of looking in this forum for "ghetto mod" because I just re-loaded all the pictures that got lost when HP ported our business workstation forum over to this new location. The Ghetto Mod search will get you to my two main posts on this, and the one you really want to review is that for the xw4000/Z400 series, but the other has some good added info. I'm starting to think that your Corsair in-stick memory thermisitor readings may be interpreted incorrectly by HWMonitor, and you may wish to contact Corsair to find a utility that they know to work properly with the thermisitors they embed in their sticks. Some added info from prior work: The official front card guide/fan holder for the xw4600, xw4500, xw4400 and perhaps your Z400 could hold a 92x92x25mm fan, and its part number is 325092-001. Here is what it looks like, and below are views from the top, then bottom. This particular part is one of 3 fan holders that came in a kit from HP that included a 92mm PWM front fan (kit was option part number DY648A). I cannot confirm that this will work in the Z400, but all those cases are very much alike, and you can see if the appropriate holes are in your front metal when comparing to my pics from the xw4600: Finally, there appears to be a newer version of the fan holder for the Z400 and perhaps the Z420 which likely has the same attachment tabs as the old one, 604781-003, and also look under -002 and -001. This newer part may be directly available with proper fan from HP. View from top, and the new projection to the right would cover the speaker. The fan sits behind the card holder slots you see, and I never use the video/PCI card extensions that need to be added to engage in those slots:

G5 front fan connection

G5 dual 2.5
I've been getting continuous fan noise for some time. Took the side off today to clean inside, and saw that the front fan (underneath the CD) has 2 wires coming from it. The first, with the bigger plug on it, is attached to the board behind the fan. The second is not, but there appear to be two prongs into which the plug should fit. Could anyone tell me whether that connection should be made, and , if so, how to do it, physically - it's almost impossible to reach it as the wires are so short. Thanks.

Hey Nick,
Found this if you're sure the sound is coming from there: http://www.welovemacs.com/0761046.html
Then there's this, but I don't see the connector. Shows the wiring though, which I see is fed from one side to the other. http://cgi.ebay.com/Apple-G5-Powermac-Front-Intake-Fan-Assembly-1898_W0QQitemZ39 0009794937QQcmdZViewItem
Here is a good place for additional info on things.

E31 - Front FAN at full speed after bios update !!

Hello,
we have a Thinkstation E31 (2555-22G), and today after the Bios update with the Lenovo system update tool the front Fan (near the SATA connectors) is at full speed constantly. it is just impossible to stay in front of this computer because of the noise, i had to disconnect the fan.
I tried to flash to an older version available on the site but it doesn't change anything.
I tried to reset the BIOS to default, and also removed the battery from the motherboard.
I found in a faq but for another model to remove the power cable and press the start button during 10 seconds.
I didn't find something working, there is no fan control setting in the bios, or it is well hidden...
What can i do ??
Thanks for your help.

The beeps you're hearing are part of the CMOS clear process, so they are normal. Once you hear the beeps, you should be OK to shut it down again.
I'm not necessarily convinced a bad fan is the cause of the issue if you truly only experienced the higher fan speed after a BIOS update. But I also don't want to work on the same issue from two angles/paths at the same time....so I'm going to say let's wait and see what happens with the service route first and go from there.
If you happen to try it again or see the message again...I'm curious what error codes you're seeing after the system starts and you get the two POST beeps. A message about corrupted settings sounds like it could be important A picture might be helpful here if you can capture one.

Loud front fan on 2006 model - almost figured it out need more help

I've been having problems with a noisy whirring from the front fan. Figuring I'd check it out, I opened up the computer, tried to dissamble it, failed, took out what dust balls I could and put it back together.
When I restarted, the computer was ultra silent again! However, I was missing 6 Gigs of memory.
So shut down, put memory module B back in properly, restarted and fan noise is back (though slight subdued)
I have a temperature monitor, and the memory sticks are far from overheating. They are quite normal temperature.
I'm scratching my head on this one. There obviously seems to be a solution since it already worked once. What am I missing?

i personnally would start with some compressed air and blow all the dust out.
just last week, my fans went all jet engine on me. So i put the computer near the window and blew out the dust. Fans back to normal after that.

Nasty rumbling noise from front fan.

Similar Messages

Maybe you are looking for