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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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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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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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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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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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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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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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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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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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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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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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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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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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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Mar 31, 2009
There is a new humming sound coming from my parents iMac, I think it's the processor cooler but I'm not sure. It could be the hard drive as well, I just know it kicks up sometimes when there is a lot of activity. The problem is they don't do a lot on the computer so it scares them.
They are convinced that it is going to die because it's soo old, I think under two years, but this is the second computer they owned. The first was the first 20" G5 iMac that, instead of turning it off the correct way, they just unplugged from the wall outlet. Needless to say it died, but they think it was because their son in law used it too much. I try to tell them that it's because how they turned it off, but they didn't like their son in law, who is now an ex-son in law, so they blame it on him. Yes, I know, my parents are the last people to own a computer.
They also don't want to spend any money on their computer, so worse case scenioro, taking it to the Genius Bar without this computer being under warranty and having them replace the processor fan and/or the hard drive, what would it cost? I think it might just require a new fan for the processor cooler, but what if they need to replace a lot more?
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May 4, 2008
I noticed that when I move my MacBook Air when the fan is running, it makes a slight buzzing/grinding sound. Is this just air hitting the fan at a different angle or is it a bigger problem that needs to be fixed ASAP?
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Jan 11, 2009
I purchased my Macbook in August 2007 and have no problems until Christmas this year.
It started buzzing and I wasn't sure what it was, until a week later I got a folder with a question mark at log-in, from what I understand my hard-drive died. I replaced the hard-drive myself within a few minutes, very easy and no problems, and it runs perfectly.
It's been two weeks and it's already buzzing again. I take very good care of my Macbook but I do transport it from class and back everyday.
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Apr 6, 2010
Over the past few months or so, I've been noticing a sound, much like a buzzing, coming from the left speaker area of my computer. It seems to be near the area where I plug in the charger. The sound is not terribly loud, but when it's quiet in my surroundings, it becomes quite evident. I'm not talking about an audio-related issue, but I am just unsure as to what may be causing the sounds and whether or not I should be worried.
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Jun 13, 2009
I use AirTunes with my Airport Express hooked up to my home stereo. Often times there is a very audible buzzing sound coming through the speakers. It's not every time I use AirTunes, but most of the time. Sometimes the buzzing is quite loud.
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Aug 2, 2009
it's less than a week since I bought my macbook white. now I'm hearing the famous buzz/hissing sound coming from left side of keyboard.this macbook is making me depressed. really. it's been relatively expensive for me and I expected something near perfect. just one question : what is exactly the reason of this buzzing sound ? I really want to understand ?
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Apr 30, 2012
What is the best sound conversion software for making apple sound files?
Info:
Mac mini, Mac OS X (10.7.3)
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Aug 12, 2006
For some odd reason, I have been experiencing some creaking when I move the display of my Unibody 15.5" Macbook Pro. At all. It just is very annoying, as it has a distinct plastiky sound to it, and it was not there to begin with. I don't know if this matters, but I have a Speck clear case that I used, but then I took it off because it seemed to be twisting the display a bit. Is this creaking a known issue with the Unibodies, or is it just because of the Speck case? I have never dropped my computer, and it has never been mistreated. It just leads its life on my desk or in my laptop bag. Any ideas?
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Nov 19, 2006
What is going on? For no apparent reason, this computer decided to start making random "booping" sounds this evening. There is no error, it's not the mail, it even does it when I have my external speakers turned off. Anyone else have this going on? This is the first time it has happened and it's been going on all evening.
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Aug 10, 2009
My late 2008 macbook intermittently makes a gentle "ding" sound. By gentle I mean it's a sound effect, not the kind of beep you get from about to die hardware. I cannot work out at all what is causing it.
Sometimes it doesn't happen for weeks then will happen several times in a single day. It happens when I am not doing anything at all (ie. not even pressing keys).
I've checked all the sound effects that you can choose in system preferences and it's not the same sound as any of them. I don't use Mail or any other email clients but just in case I checked once when I heard the ding - and I didn't have any new mail. I've also checked my dashboard, and as far as I can see the calendar, clock, weather and calculator widgets don't seem to be set up to make some random alarm sound.
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Sep 4, 2010
I have a noticed a couple of times when I move touch the MBP, I will hear what sounds like a hard disk "ping" sound, even though I have the hard disk sleep mode disabled on batter / power - everything functions perfectly though. It sounds like something tapping metal - only one "ping" sound (not constant ticking). Mine has the Hitachi 250GB hard disk. Should I be concerned and what is it?
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Jan 13, 2009
Every time I depress my trackpad (the one built into my MBP 15" mid 2009) It is doing a slight squeak...Now I'm meticulous about how well I keep my beloved MBP... but I do use it everyday for many things (Including design, word processing, accounts, pwning the microsoft network at my office)
But I am guessing that these things are built to last... and shouldn't have an effect on how much I have used it right... Should I take it to Apple and let them have a look at it is there a quick thing that I can do to mend it? Or should I just get over it and accept it as quirk of it's character?
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Aug 16, 2010
I have a Blu-ray file (one I own and wanted on hdd for easy transport) on my computer. I want it to play on my Xbox 360 and it won't because it has 5.1 surround sound. Inside the file is the 2.0 audio track separate with instructions on how to merge/change it using a program called Yamb. The only problem is that it's Windows only. Do any of you know a program (preferably free) that can do this for Mac?
I have Toast Titanium 10 and toyed with it for awhile but couldn't figure it out.
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Jun 17, 2008
My wired Mighty Mouse has started to click a lot. It is very annoying. Sounds like a small relay closing randomly. If I lift it up off the pad it stops. Has anyone else had this happen?
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Mar 28, 2012
Every 20 minutes or so, I hear a strange sound as though I've pressed the wrong key or something. I've tried closing all of my apps as well as restarting my computer but I keep hearing it. It is literally driving me crazy.
Info:MacBook Air
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Jun 10, 2012
I've bought my iMac in December 2011 and everything was functionating just fine untill 1 month ago. My iMac started to make clicking sounds for around 5-10 seconds, the interval between these sounds is usually half an hour to one hour. I personally think that it comes from the right side (the one with the CD/DVD entrance). I'd like to know what it causing this, how I can get this fixed and if it could be harmful to my iMac. I'll contact some premium resellers tomorrow and ask if they know what I can do about it.
Info:
iMac (27-inch Mid 2011), Mac OS X (10.7.4)
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