Intel Mac :: Making Constant Buzzing/humming Noise?

May 6, 2012

I purchased a 21" iMac a couple of months ago. Today it started making constant buzzing/humming noise. It's not really loud, but it is noticeable and annoying after a while. It stops if I put the computer in sleep mode or turn it off, but it starts back up  the moment I turn it back on again. It sounds like it is coming from the bottom of the screen near the speakers. I have tried adjusting the brightness and volume, but to no avail. I also tried lifting the computer off the desk to see if it was just vibration, but that did not make a difference either.

Info:
iMac, Mac OS X (10.7.3)

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Intel Mac :: 2011 20.5 Inch Making Humming/buzzing Noise?

Jun 7, 2012

My 20.5 inch 2.7GHz iMac is about a year old and has recently started making a low humming/buzzing noise from the top right corner, near the SuperDrive bay. The top of hte iMac feels quite warm when it makes the noise and usually stops if I hold my hand on top of the computer. Is this something I should be contacting AppleCare about?

Info:
iMac, Mac OS X (10.6.8), 2.7GHz, Core i5, 4GB RAM

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MacBook Pro :: Making Humming/buzzing Noise?

Apr 4, 2012

Yesterday I started up my MacBook Pro that I've only had for about 9 months. I immediately noticed that there was a barely audible buzzing / humming sound coming the inside of the laptop, most likely in the fans. I don't know how long this has been going on, and I really don't know the cause of it. So is this something I should be worried about (the sound is barely audible)? Or is this something that happens after prolonged use of the laptop? 

Info:
MacBook Pro, Mac OS X (10.7)

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MacBook Air :: Fan Making Constant Buzzing Noise

Mar 16, 2008

I have had my MBA for almost a week, and I've had no issues so far. Until now. This is the case: The fan operates as it should. It stays on 2500 rpm at light use, and increases with heavier use. At 2500 rpm I was not able to hear it without putting my ear next to the keyboard. That was yesterday. Today the fan produces a new noise. It isn't very loud, but clearly audible at 2500 rpm in a quiet environment. It's a low, constant, buzzing kind of noise. It also increases with fan speed.

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IMac :: A Weird Humming Noise/buzzing Noise?

Aug 19, 2008

I'm new to this forum and I just bought a new iMac 20" 2.66GHz, I turned on my computer and noticed a weird sound (buzzing or humming noise) not loud but loud enough to here I notice when I messed with the Brightness it went away is there something wrong with that or is that a known issue?

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Hardware :: Computer Making Buzzing/humming Sound - Fixing It?

Sep 1, 2008

I've had my imac for under two years, and just recently I noticed it making an odd humming/buzzing sound at times. It's not the normal sound you hear when your hard drive is working hard, it's definitely different. It's not the speakers either, it happens whether they are on or muted.

My suspicion may be that it has something to do with the power. That's because I've been bug testing a mac beta game, and it often crashes my computer, and I have to manually turn off my computer by holding down the power button until it cuts the power.

Does anyone know why this may be and how I can prevent it/fix it?

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OS X :: Mac Pro 8 Core Making Humming Noise?

Mar 20, 2010

My Mac Pro 8 Core 2 x 2.8 GHz Quad-Core Intel Xeon with Leopard 10.5.8 started making a humming noise about a month ago. The humming noise is very consistent in pitch and is always humming whenever the computer is on, except for when sleeping.

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MacBook :: Fan Making Buzzing Noise

Jul 22, 2009

I was just downstairs in my basement using my macbook and I decided to come upstairs and when I got up here I noticed that my fan is making a weird buzzing noise. I can tell it is my fan because when I make the fans spin faster in smcfancontrol the noise gets louder. Could this be something that is in the fan or could this be a more serious problem? I can take the back case off and check but I just wanted to know if this could be a serious problem with the fan. Is there any chance I could have bent something by carrying it wrong?

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MacBook Air :: Making A Buzzing Noise?

Sep 2, 2014

i opened it and it started making a strange low buzzing noise

Info:
MacBook Air, OS X Server

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MacBook Air :: Constantly Making Buzzing / Whirring Noise

May 12, 2008

I've had my Macbook Air 1.8GHz SSD since basically the day it was announced and aside from iChat video lag and YouTube (which has only happened lately), it's been almost perfect. One of the things I particularly loved about it was how silent it was, but as of Saturday, that suddenly changed. It now makings a constant (as in, never stops as long as the Air is on) noise which sounds like a harddrive being accessed; a kind of buzzing/whirring noise. It's not particularly loud, and once about 2ft away you can no longer hear it, but it is concerning that it would suddenly start.

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PowerPC :: 15" Powerbook Suddenly Making Loud Buzzing Noise And Crashing?

Feb 28, 2008

I have an older 15" powerbook Titanium. About five years old now. Been working pretty well all five years, save for an external hinge I had to replace. Last night, the computer started buzzing from the insides, a buzzing reminiscent of a distant chainsaw. The program i was working in (firefox) just went to the pinwheel of doom and never recovered. I moved to the finder, which did the same. I forced booted. Same noise. Same problems. I can use programs for a few minutes, but then they pinwheel of doom and the computer freezes out.

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IMac :: Computer Making Loud Constant Noise / Sound Coming After 30 Seconds

Nov 17, 2010

My family just recently upgraded from an old PC to this 27" iMac, during the early part of the summer. While using it over the last little while, I would notice a noise that sounded like a harddrive spinning or possibly some sort of a fan noise. The best way to describe it would probably be as digital noise. It's not incredibly loud, but it's a decent volume, and can get quite annoying. It has a little bit of a squeak to it.

Over the last little while, it's become more constant. When the computer is in use, it'll usually occur quite often. It's quite annoying and obtrusive when I'm watching videos and I'd like to know what it could be.I think our computer is still under warranty, so I'm hoping to find out if it is something wrong, so I can get it replaced.

I've also been wondering if it's a fan, or a regular noise. However, it's so constant that I'm starting to wonder. The other night, I was watching a video and it seemed like it was coming on every 30 seconds for a long span of time. We don't run any memory heavy programs on this computer. If anything, we're just using Firefox, iTunes and/or Messenger. Sometimes Office. There's little to nothing stored on this computer, as it's brand new, so most of its memory is free.

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Intel Mac :: White 2006 Loud Humming Noise?

May 11, 2012

I have a 2006 White Intel Imac and I recently replaced the Superdrive with a non apple Panasonic Superdrive Model: UJ-85J-B from a used Acer Laptop.  The replacement drive has no sensor circuit board.  After putting it back together there was a loud humming noise and I assumed it was the new drive but when I took it out and started the Imac without it the noise remained?  Now I am thinking it is the fan just below where the Superdrive sits?  I blew out as much dust as I could from this fan and around the bottom of the case and that made the noise just a little less annoying.  It sounds like it is about to take off like an jet airplane? 

Info:
iMac, Mac OS X (10.6.8)

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Intel Mac :: Buzzing Noise Coming Out Of Cooling Vent

May 23, 2012

I have noticed this buzzing noise (like crackling electricity of sorts) coming from the left side of the machine out of the cooling vent. I bought my IMac in 2010 and have not had any problems with it until now. I noticed the "noise" a couple of months back and it would show up here and there every once in a while, it was not annoying, so I let it be. Until this last time, when the noise was loud and annoying, I could not just forget about it. I am under warranty and called into Apple to see what can be done for this problem.

Info:
iMac (27-inch Mid 2010), Mac OS X (10.7.4)

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Intel Mac :: Computer Fan Is Making Noise?

Feb 18, 2012

The fan goes on after 30 minutes of use, what can I do

Info:
iMac, iOS 4.3.3

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Intel Mac :: New Refurbish One Making A Lot Of Noise?

May 24, 2012

What's the cause of all that noise? I just bought it!!!

Info:
iMac, Mac OS X (10.7.4)

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IMac :: Fixing 27" Humming Noise?

Sep 19, 2010

After returning 4 21.5" imacs with yellow screens and hard drive noise, I decided to try a 27" and finally a beautiful screen with no problems, no hard drive noise. I was very happy...untill I started hearing a humming noise that sounds like it is coming from the power supply. The noise stops when I put it in sleep mode. I tried a bunch of things to determine if it was the fans or hard drive and that was not it. I am pretty sure it is the PSU humming all the time. This is the first imac with a perfect screen and now it is humming. I am so frustrated.

What should I do? Have the power supply replaced or return it for another one and take the chance of getting one with a yellow screen? I am still within my 14 days of original purchase date.

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Intel Mac :: DVD Drive Making Noise And Hanging

May 24, 2012

My iMac (27'', mid 2010, Core i7, OSX 10.7.4) recently makes some trouble with its DVD drive:The drive often makes horrible noises like a shredder. In this context the disc sometimes doesn't eject. Only Rebooting works. More and more frequently the drive hangs, the connected application (e.g. iTunes, Auditri or Handbrake) hangs and also Disk Utility. Rebooting doesn't work (white freezing screen), only shutdown and complete startup with clicked Trackpad to remove disc.Is it a hardware or software error? The iMac is still qualified for AppleCare. Should I make a repair request to Apple?

Info:
iMac (27-inch Mid 2010), Mac OS X (10.7.4)

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Mac Pro :: Does Your 2008 MP Give A Slight Electrical Humming Noise?

Apr 14, 2009

..by the power unit at the back of the machine - where the power cord goes in.

I happened to be switching out displays at the back of my MP today. Could hear the fan at the lower back portion of the machine (as normal). but this time could also hear a very slight electrical hum just by the power unit -- is this normal (the hum) does yours have this hum?

I never heard it before. guess my head was never that close to it when the MP was on the floor. but since i moved it to the top of the desk my head is closer to it when I switch out the DVI ports

Trying not to be obsessive. I'll run before the white coats turn up by the front door

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IMac :: Humming Noise From Speakers When Connected To 27"

Jan 27, 2010

so i love my new 27"; it's simply fantastic.... so far. i encountered a problem when i plugged in a 1/8 to RCA to go to my surround sound system. There is a loud humming sound coming from the speakers when i connect it. i tried to wiggle it and push it further to no avail. the sound was still there. i tried using another cable and the sound was still there. then i tried plugging in my headphones, and they WORK FINE! what the hell is going on and how do i fix this problem?

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MacBook Pro :: Humming / Static Noise When Charger Is Attached

Jun 24, 2014

There is a loud and really annoying humming & static noise when I connect my charger to my MBP. The humming only comes out of the headphones jack, and not the MBP speakers. This really cripples me in my work as I am a music producer.

Mp3 of the noise: [URL] ....

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IMac (Intel) :: Suddenly Making A Really Loud Noise?

Sep 4, 2014

My iMac suddenly making a really loud noise and I had to turn down the computer and reboot it

This happened several times and I'm not sure what is the cause of it

Info:
iMac, iOS 7

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Intel Mac :: Computer Is Making Noise When I Push Shift Button

Mar 26, 2012

My computer shows an upward facing arrow and makes a clicking noise when i hit the shift button, if i hold it down it switches into caps lock ... how can i get out of this mode?

Info:iMac, Mac OS X (10.6.8)

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MacBook :: Whitebook Making Buzzing Sound?

Jun 2, 2009

My whitebook is making a buzzing sound that is coming from under the F4 and F5 keys, it can be heard a little with no background noise but when i put my ear close i can hear it much clearer. Does anyone elses macbook do this or does anybody have any idea what it is and should i take it to the apple store?

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Intel Mac :: 2010 27" Making Chirping Noise During Normal Use And Sleep?

Jun 12, 2012

It happens more frequently when the computer is "thinking" but still chirps somewhat often when it is seemingly idle. Maybe its the processor or HDD?

Info:
iMac, Mac OS X (10.7.4)

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Mac Pro :: Mac Pro Buzzing Fan And Hard Drive Noise?

Sep 1, 2006

I received my nice new Mac Pro yesterday. 2.66GHz With one 160gb drive and one 500gb drive and some other customisations which, for the purpose of this are not relivent.

My first and most serious problem is a rhythmic clicking, which according to technical support is a known issue and is to do with my hard disk drive. The noise comes from the top front side of the machine and clicks at around 200bpm at all times. It is very audible and unnexceptable and for this reason Apple are replacing my machine.

The second problem which I believe to be more of a design flaw is noisy fans. I obviously know fans make noise but this is an intermitent buzz, at a constant frequency. It sounds like a bee is flying about in my machine and varies according to the angle of the machine and wheither the superdrive bay is open.

As you will understand I am very dissatisfied. My machine took 3 weeks to arrive and is riddled with problems.

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May 14, 2009

I purchased a Macbook Air from Amazon. The display is excellent but i've been having this constant buzzing noise going. It's very irritating and I'm not sure what is causing it. I definitely didnt hear this noise in my rev A Macbook Air or in Macbook air sin the Apple store.

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MacBook Pro :: System Making Mechanical Noise / Noise Before Start Up Sound

Dec 26, 2010

My first generation unibody Macbook hasn't had any problems to this date but now it's constantly making that mechanical loading-like noise which is usually heard when the Macbook is switched on (the noise before the start up sound) or when the lid is opened to wake up the computer. Is there a fix to this?

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Mac Pro :: Slight Buzzing Noise Around Power Socket

Nov 2, 2008

The power socket at the back of the mac pro makes a kind of buzzing noise. Only for a short amount of time though. I have have never heard this before as it isnt that loud at all, and only cam across it by chance. I kind of figured out that it might be the electrical current.

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IMac :: 24' Hard Drive Fan Buzzing Noise?

May 25, 2010

I've owned my iMac for a little over a year and I started having a weird buzzing noise coming from a hard drive fan. Downloaded iStat, everything runs at idle speeds (hard drive fan at 1200rpm), so the speed is not an issue. Sounds like a mechanical problem. Also downloaded FanControl, and once I increase the fan's speed to 2500rpm, the buzzing noise goes away, but now I can hear the fan It kind of defeats the purpose of having the expensive computer, that used to be virtually silent. I am in remote location in Alaska, where we don't have Apple store and the only way to fix is to ship it to mainland. Apple warranty is over, but I still get additional 1 year of coverage from Amex credit card, but I would much rather prefer to to fix it myself. Any suggestions on possibly replacing the fan myself? I am really debating whether I should ship it to Apple and trying to go through American Express with warranty. That would be complicated and I would end up without a computer for a few weeks.

Late 2008 iMac 24'. 3.06 GHz, 2GB RAM, 500GB Hard Drive, NVidia GeForce 8800GS.

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