IMac´s extrange noise

Hello. I Have an iMac mid 2011. When the computer turns off, it makes a extrange noise, the same when the electricity is interrupted.
In August I had to go to the Apple Store because the HDD was broken and this drive wasn´t a year!. Is the second HDD I´ve changed.
Probably, this hard drive will be broken too.
What can I do?.
Thank you.

I believe that with repairs of the nature you mention, the components are guaranteed for 12 months. So replacements should be cost free. All the same, there is a nuisance with all the too-ing and fro-ing and I would be inclined to go to the store and insist on Management attention to your complaint as a whole. I'm sure you will approach them nicely. I hope you bought Apple Care when you bought your machine.

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IMac G5 fan noise

Hi MGW,
Baby Boomer recommended that I check with you about our iMac G5 fan noise since you used to have the same model. For a reference as to what all has been suggested and done go to: http://discussions.apple.com/thread.jspa?messageID=9810894&#9810894
I've done some internet searches and come across some other ideas on what may be the problem and if it is not too much trouble I would be very interested in your thoughts about the suggestions by DeathStalker13 --- please scroll down to #19 at this link:
http://forums.macosxhints.com/showthread.php?t=50158
Here is another link that I've found information about iMac G5 fan noise. I'd also like your impression about the methods that these people have done to solve the issue:
http://scienceman.com/legacypgs/00imacG5fanforum.html
I've also contacted a local AASP store and from just our telephone conversation they think just cleaning the fans and inspecting the computer which would take 1-1/2 hours at $95/hour should take care of the problem.
We'd really appreciate you opinion. Thanks!!!

Thank you so much for answering so quickly. I apologize for not being able to do the same. We had unexpected house guests and everything else was set aside while they were here.
This morning I have been researching trying to figure out how to disable Flash but so far I've been unsuccessful. We have a Power PC Mac OS X 10.4.11, Safari version 3.2.1.
Under the Safari "Help" it says, "Safari works with the plug-ins that are installed with Mac OS X. To see a list of installed plug-ins, open Safari and choose Help > Installed Plug-ins."
I checked and the Installed Plug-Ins list only has one "FLASH" listed - Shockwave Flash. I didn't know how to disable it or if I should.
You suggested changing to Firefox or Camino. We already swap between Safari & Firefox (version 3.0.12) for other reasons. Unfortunately, the fan noise is the same whether we use Firefox or Safari.
It was interesting that under Firefox "Help" they recommended disabling Adobe Flash plugin: http://support.mozilla.com/en-US/kb/Usingthe+Flash+Plugin+withFirefox?style_mode=inproduct
They said something about, "vulnerable to an extremely malicious exploit" and that until Adobe has an update, you can disable Flash. I followed the instructions but the only plug-ins I found were the following:
Default Plug-In
Netscape Navigator Default Plug-In
Java Embedding Plugin 0.9.6.4
Runs Java applets using the latest installed version of Java. For more information: Java Embedding Plugin. Run version test: Java information.
Java Plug-in
Java 1.3.1 Plug-in
Java Plug-In (CFM)
Java 1.3.1 Plug-in (CFM)
QuickTime Plug-in 7.6.2
The QuickTime Plugin allows you to view a wide variety of multimedia content in web pages. For more information, visit the QuickTime web site.
Shockwave Flash
Shockwave Flash 9.0 r159
Shockwave for Director
Macromedia Shockwave for Director Netscape plug-in, version 10.1.1
I haven't changed anything yet, as I'm not sure what I should disable. We have considered putting up with the fan noise since it isn't as bad since we cleaned the fans but if there is an easy fix we'd really appreciate your advice. Thanks!

Why is my iMac making this noise?

Everytime that I do something, my iMac makes this noise. Its anoyying can I fix it? I have an imac with an intel core 2 duo 3.06 ghz processor with 2gb of ram a 500 gb hard drive and an nvidia geforce 8800 gs 512 mb graphics card and i have snow leopard 10.6.3. http://www.youtube.com/watch?v=-r80l0NQjz8
Message was edited by: Joann123

Hi Joann123
That sure sounds like the Hard Drive accessing data, some are noisier than others.
For example: the original 160GB Seagate Barracuda that came in my Early 2006 Core Duo sounded about the same. After using it in the iMac for 3 years I took it out and put it into an External drive, another year later it still sounds the same but works just fine as an extra backup drive for my music and photos.
I don't think that it is going to fail tomorrow, but if it really bothers you that much backup to be safe and by all means contact Apple as explained by those that have replied in your other thread.
Dennis

Imac makes loud noises almost gurgling sound?

imac makes loud noises almost gurgling sound?

Does the gurgling stop when you mute the sound? In other words, is it coming from the speakers? If so, see below.
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IMac g5 fan noise with update to 10.4.11

Has anyone else experienced this?
I have never had any problems with fan noise with my iMac, though I know it's a problem, till the recent update to 10.4.11. After restarting, it sounded like an airplane. Never heard that before. I shut it down and restarted, and it doesn't sound like a plane anymore, but the fan is noticeably noisier than ever before, a constant whine/hum.
Besides the energy saver fix and resetting the SMU and canned gas in the vents, any other suggestions? This is annoying, it's been running pretty perfect for three years till this. Thanks.

The questions are certainly not dumb - almost anywhere is cheaper than Apple for RAM, I recommend [macsales.com] and [smalldog.com] or [newegg.com]. I don't think that going back to 10.4.10 will help, you should really vacuum the vents to get dust out, and make sure that there's nothing hogging your CPU and making the fans noisy, look at Applications>Utilities>Activity Monitor to see if anything is using an unusual amount of memory or CPU.
If you do want to install Leopard, I would suggest making a full backup of your system,I use SuperDuper! to clone my system to a firewire external drive. You should certainly upgrade your RAM if you install Leo, but I don't think your machine will be any quieter with a new OS.
You need to remember that your machine is several years old, and that things get creaky with age (I certainly have). Since you have the iSight, it's not a simple matter to open it and clean the fans off. If you are really disturbed by the noise, you can take it in to an Apple service place and have them clean and oil the fans, which should help enormously.
Sorry I couldn't offer more help, but fans will, and do, get noisy.

PLEASE HELP: iMac making strange noise

Hello guys, can you please tell me why my iMac is making this noise? And what I should do about it! My iMac has become quite slow since i started to notice the noice!
http://www.youtube.com/watch?v=QliQFP9Ctw0

From the recording it sounds like the disk is on its last legs.
I am going say that your disk is going bad.
Back up your data now.
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Hey, I recently bought a 27" iMac and I'm running a pair of Yamaha HS50Ms out for monitoring audio recording. When I'm not playing sound the speakers output static from the computer (presumably hard drive noise or something?). It's especially noticeable when I scroll the magic mouse.
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-= Guaranteed Solution =-
Hi, I have a Quick and nasty solution. It will work, it's a good test also if this is not the case, however, I bet it is.
The problem is technically a ground loop (http://en.wikipedia.org/wiki/Groundloop%28electricity%29).
The 'Quick and Dirty' solution is to buy a normal cheap double adapter, cut off the earth (I just used pliers) and plug the power of your iMac into this and then your socket, effectively, removing the ground plug to the Mac.
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The iMac actually has an impressive sound card, I have a feeling either it or something on the USB is leaking earth onto the aluminum frame. maybe even the sound card itself isn't earthed properly and runs through the USB earth. It annoys me mac won't provide any kind of solution or admit any of this. ****, I would be happy if they at least sold a ground loop filter on there shop. I know I'm not the only person with Monitor setup and iMac 27" !!!!

IMac Audio-Out Noise

If I plug headphones into my iMac's audio-out jack, a high pitched electric buzzing noise can be heard.
It starts to give me a headache after a while, so I've been avoiding using headphones.
I don't have AppleCare anymore, so taking it to Apple would cost $$.
I'd like to do anything I can to fix it before having to take it to Apple - any ideas?

Hi Colin
Here are a few things to try:
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3. Push a little harder to make sure that the headphone jack is fully seated.
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I Got My Problem Fixed Today From AppleCare, Yes I Called Them Up, I Have 0 Problems Now

IMac 5K whining noise

Hi my iMac 5K now is starting to whine, it is intermediate, the noise can be audible when idle or doing some task typically not that CPU intensive or room is silent, and faintly when there are some ambient noise. But not all the time.
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Could be anything from the Cooling Fan, the HDD (if applicable) to the Backlight Inverter.
If it bothers you, you should use that 90 day free phone support or that 1 year hardware warranty and have it checked out.
http://www.apple.com/support/contact/

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Anybody have any info on the cause of this noise?? My 27" iMac i7 emits some sort of system noise out of the ANALOG headphone jack when hooked up to external powered speakers or mixing board. I thought it might be be some sort of grounding issue, since it's only when it's hooked into some other POWERED piece of gear, but I've tried everything I can think of to isolate the source and I can't.
These system noises occur only when using the analog headphone jack, and only when hooked up to anything that uses AC power. They are not heard when using headphones directly plugged in the back of the iMac. The only way around the hash is to use the OPTICAL out of the headphone jack (which is clean as a whistle). The noises vary, depending on the activity on the monitor: scrolling anything, selecting an area, moving windows, web pages loading (especially noisy with a lot of Flash content), etc... all have distinct noises. They are the same in both channels and are not affected by the System volume control, even when the System volume is muted. One interesting thing I noticed - when the Sound panel of System Prefs is open, switching back and forth between Output and Input causes the noise to be significantly quieter on Input, then loud again on Output. In a studio environment, it's impossible to edit with these noise constantly in the background. The noises do not affect a recording, only playback.
Here's an example: http://tinyurl.com/y9ctk29

Slice-
Sorry, hadn't seen your post on the other thread yet. My reply's there, but basically, hub didn't work for me and the junk is still coming out of the headphone jack with no USB interface at all. I'm thinking it's graphics card related... lots of problems with them. At any rate, I'll be talking to an Apple tech in about half an hour, so maybe I'll get an answer then.

IMac 20" - whirring noise every few minutes

hi
since yesterday, every few minutes a whirring noise occurs. It builds up quite loudish like a crescendo and then resorts back to normal sound levels pretty much straight away once it has hit the highest noise level. Roughly happens every 4 mins and lasts approx 10 seconds. Also happens when im not using/running anything.
i better mention the night before it started i had to move the iMac off my desk for the first time and therefore pulled the mains out. checked other internet discussions that were based on fan noise and which suggested removing the mains lead again and waiting for 15 secs. i have done this but the whirring noise still occurs.
does anyone have suggestions what it might be?
thanks in advance
adam

thanks guys for the quick reply.
i shall have a go at resetting the SMC now and will let you know if it continues.
more information required; come to think of it, the noise sounds like when you put something in a fan and when the blades passes it, it makes that flipping noise. or even when you put a ruler on the end of the desk and 'flick' it it makes that same flipping noise.
hope you can try and work out from that what i mean. not the best at describing noises. just seems weird how its like a crescendo and then dies out straight away once its got to a high noise. it seems like its coming slightly to the NW of the middle of the screen. also seems to make a louder noise when ive got a few things open.
hope that helps.
will try the SMC and will report back.
thanks again

IMac 21'' HDD noise

I have recently started hearing noise emitting from my iMac whenver I install softwares or copy files. Mine iMac is fairly new (7 months old) and the sound was not coming earlier.
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Contact Apple Service, iMac Service or Apple's Express Lane. Do note that if you have AppleCare's protection plan and you're within 50 miles (80 KM) of an Apple repair station, you're eligible for onsite repair since yours is a desktop machine.

Imac usb soundcard noise eliminated

i just want to share that i was having high pitched noise in my sound card on my late 2013 iMac with Logic and i was able to eliminate it by putting a ground adapter on the iMac power supply

Thanks for your help
I called the music store that i bought the card from and they recommended i look for the latest drivers. I found them, downloaded, installed, rebooted but the problem was still there. I tried headphones in the headphone socket of the card and i couldn't hear any noise which was a bit strange, as i would have expected some there too.
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Over the past few weeks, my year and a half old iMac9,1 has been making a strange sound. It's kind of like a clicking/buzzing/whirling noise. It's coming from the lower right corner of the computer. I can't tell if it's the fan or something else. It doesn't sound much like a fan. I've tried resetting the SMC, but that hasn't worked. It hasn't affected my computer speed...yet. The sound starts the second i wake it up and stops the second i put it in sleep mode. It gets louder and softer as I use the computer, and sometimes will stop for a little while. I'm just trying to figure out of this is something serious or not. I'm hoping this is something that can be fixed at my house, so i don't have to lug the thing to a Genius bar. Any help would be greatly appreciated.
According to iStat the fans are running at:
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I have exactly the same problem, - this seems to be an issue of the first revision of these early 2009 iMac9,1 series.
Reseting SMC and every other doesn't help anything. Fortunately my iMac is under Apple-Care warranty.
It was now for three times in repair, - at last they changed the mainboard / logicboard. This has worked for a while (4 weeks). But now it started to make heavy noise again.
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IMac´s extrange noise

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