IMac :: Popping Sound From Speakers Post Firmware Update
Feb 4, 2010
I was reluctant to update my 27inch i5 iMac with the new graphics card firmware update since I wasn't having any flickering issues. I finally caved in and did it thinking that nothing bad will happen, well of course something did. Ever since I updated it yesterday my computer makes a distinct and random popping sound from the speakers, it is soft but audible in my quiet room when I am working and it is driving me crazy.
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Sep 8, 2010
2 days ago i received my new mac pro 6-core 3,33GHz...now something really weird and super annoying is going on with this computer...From time to time there is this really loud POP trough my speaker. I'm absolutely 100% sure this has nothing to do with my amp. cables or whatever and its definatly a problem with the MacPro, i know because of the following:
Plugged in new cables, removed every installed software, plugged onto different amplifier, when there are absiolutely no audio cables plugged into the computer and when i use the build in speakers of the mac pro i still hear the POP/distortian like sound, and finaly even took it at my friends house and tested the machine there on his audio instalation...problem remained! not knowing what to do next i decided to go and see a very good technician (music instruments and studio recording) and told him about the problem, he imediatly stated that it "could be" because of the harddisk drive giving like electric impulses or whatever that causes the distortion...or that the sound card or audio chip set waking up from sleep and every time it does there is this loud POP?..................
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Dec 7, 2014
I updated my Macbook pro to the new Yosemite last week, now when I FaceTime it makes a popping sound
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Jun 28, 2012
after installing an update I am no longer able to hear sound out of my speakers. A red light comes on where the headphone jack is. I have already attempted to trip to switch with a wooden toothpick in the headphone jack but have not had luck.
Info:
MacBook
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Jan 29, 2009
Guess what i did? Yup , inserted the OSX disc without the firmware update. Got back into os 9 with the "sleep and wake" trick, But i do not know how i can install the firmware update. I have it download though.
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Jan 5, 2010
When given a video card update (esp from using windows) it almost always improves the video card. Apple releases the flicker fix update and I don't have a flicker issue. No screen issues at all really.
I feel like it's Russian roulette. Update or not? I know some people will say don't fix what ain't broke, but what exactly is IN the fix? Is it exclusively for the flicker issue or does it update/upgrade other aspects on the card? Mine has the ATI card in it.
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Apr 13, 2008
Although this isn't a very important problem, I have noticed on my early 2K8 Mac Pro the Boot POST chime will not play through external speakers. Is there a way to enable this, as it is awfully tinny from the internal speaker.
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May 2, 2009
It's avihappy again and I have another survey for you all. As you can see, there is now an iMac 4850 EFI firmware update available via software update. So can you: Find a test that will cause the iMac to freeze up. Do the update. (make sure you actually run the firmware updater tool, it may not run automatically when you install the update from Software Update.) Switch to WiFi. Do the test again. See if the iMac freezes!
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May 2, 2009
Just a quick silly question.iMac EFI Firmware Update popped up on the software update and I have now completed the update.It is okay to delete the iMac EFI Firmware Update from the Application Folder once you have updated the iMac?Also, if I have the Airport & Ethernet cable connected to my router, will my iMac use the Ethernet connection as default?
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Dec 21, 2009
Check software update.
Here's the official Apple link:[URL]
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Sep 8, 2010
Random question, but does anyone know how to get a usb microphone to play through speakers? - i.e. I want to use it in a karaoke kind-of-way!!
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Apr 13, 2008
does anyone who has the 24in iMac have any problem with the sound from the speakers? Sometimes when I listen to music on iTunes I will then get a screeching sound for a few seconds then it will go off.
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Jun 17, 2009
I know this affects iMac users than any other product so I thought it would be worth mentioning that Apple has released a Bluetooth firmware update found in Software Update: This update provides bug fixes and better compatibility with the Apple Wireless Mighty Mouse and Apple Wireless Keyboard. It installs on all Macintosh systems with Bluetooth based on the Broadcom chipset. Those who are having trouble, download and note any improvements for others who are having the same problem.
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Mar 12, 2012
After the firmware update yesterday, the finder on my MacBook Pro is no longer able to transfer files from my iMac to my MBP or vice versa. Most folders on my other mac are visible, but some crash the finder, transferring files gets part of them moved over, but then it stalls and crashes the finder.Seems like a serious bug. Or has the firmware update simply removed the file transfer possibility at all?Reinstalling Lion wasn't even possible as the recovery program stalled as well. It was not possible to choose a language.
Info:
MacBook Pro, iOS 5.0.1
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Apr 18, 2012
I have one of the original MacPros 1,1 2x266 currently running OS X 10.7.3. and indicating ROM Revision 3011. When I try to run this update, it fails saying I need OS X 10.6. Do I need the update (I presume yes since my ROM rev is lower), if so how can I install it?
Info:
Mac Pro, Mac OS X (10.7.3)
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Sep 5, 2010
After re-arranging my set-up, I suddenly have no sound from my external speakers (JBL Creature II). After the first panic, I figured I would try with my MBP. Odly, they work just fine with that. Then i tried with my headphones from my iPhone - no sound at alle. I?ve resetted PR-RAM (twice), and is now stocked - and pissed.
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Nov 3, 2010
I know that there's a headphone output jack and an audio input jack on the iMac. Is there anyway to hook up my 5.1 Logitech speakers to the iMac? What kind of adapter would I need or is it even possible?
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Sep 26, 2009
I just got my iMac yesterday, and its been awesome, but I have one question. The classic "bong" sound at startup, I know that is the result of a successful POST, but mine didn't do one after the 1st startup. I had speakers plugged in to it when I started up the 2nd time, and no sound. I unplugged the speakers, and I got the sound. Is that normal or do I need to contact Apple? I jut want to make sure nothings wrong with my iMac. I checked the POST results in System Profiler and it said Passed.
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Nov 16, 2007
I did a software update last night and the firmware update attempted to install. Unfortunately, it errors out with the message:
Necesary resources are missing, corrupt, or do not have the correct permissions. Delete the iMac Graphics Firmware Update and re-download it and run again.
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Aug 4, 2010
Whenever I put my mac mini to sleep, my speakers will make a pop sound about every second. The speakers are powered via usb cable plugged into the mac but they'll also pop if plugged into my dell. There's no popping if the speakers are plugged into my sleeping dell, when my mac is on, or if I turn the mac mini off.
Running OSX 10.6.4 Mac mini early 2009 version
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Feb 10, 2010
I'm trying to connect an XLogic speaker system to an IMac desktop. There are only RCA Plugs on the speakers and the 3.5mm plug on the Mac. Can anyone suggest what cable or junction I will need to achieve my goal of connection.
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Jun 5, 2009
I have several speakers (Logitech) which I had hooked up to my PC with three cables, black, pink, green...the Mac Mini only has one plus for Audio...what do I do to get sound out of these speakers all at once?
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Aug 7, 2010
I just hooked up my logitech speakers to my IMac and they don't sound as good as they did on my pc. On my pc there was some settings that were the Realtek that had a bunch of audio options that made it sound much better. Is there anything like that for a mac? I can't find anything like that in the apple menu settings.
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Jun 27, 2014
Imac 27" mid-2011 running Maverics 10.9.3 I'm not getting any sound from internal or ext. speakers. I can hear the startup sound when booting up.
System Preferences->Sound only shows Digital Out for OUTPUT and Output Volume is maxed and can't be adjusted. Mute is NOT checked.
I've done an SMC and PRAM reset with no change. I've tried multiple times plugging and unplugging the external speaker cable jack.
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May 4, 2008
Im looking to get an imac and some speakers. Im coming from a pc computer with build in speakers in the monitor and they sound horrible, so im guessing the imac wont be much different. So what are some good speakers I could get for 100 bucks?
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Jun 2, 2009
I have my stereo plugged into the headphone jack but would like the sound to also come from the internal speakers when the stereo is off without unplugging the jack in back.I tried going to the sound control panel but it only lists the headphone jack. Is there a way to do this?
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May 20, 2010
I have a 24" aluminum iMac G5. I have never had a problem with sound before, and feel like this problem is isolated to a certain DVD but the DVD works on EVERY other player I own. Everything pretty much plays DVDs, so that's many!
So here's my problem: There's parts of this movie that have very high pitched sounds, like electronic sounds that are just sound effects in the movie. Whenever I get to those parts in this movie (maybe even other movies for all I know, I don't play many) and the sound goes quiet, like the speakers can't handle that high pitched sound.
I feel there must be something I can do about it, right? I just use the regular default DVD player application that pops up when I put a DVD in. I tried playing with that equalizer but nothing changed.
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Sep 13, 2014
Speakers work but cannot get any sound output. Running windows 7 on Intel iMac. Speakers sound on booting and graphics in Control panel and on toolbar indicate sound is being recieved but nothing comes out of speakers or headphones.
Info:
iMac, Mac OS X (10.6.2)
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Jan 22, 2010
Yesterday my speakers stopped working. It's not software based, the audio drivers are working properly. Whenever a sound that is over a certain volume is played, you can hear a pop come from the speakers. For instance, if I play a song that has fluctuating volume, every time the volume goes up, there's a pop, and every time it goes back down, there's a pop. The volume the computer is set to doesn't effect this. Even if it's muted, there's still a pop that's the same volume as if the volume is turned up all the way. Any ideas what could be causing this?
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Jan 9, 2010
Occasionally I'll be listening to music or just changing the volume and a sharp popping sound will occur from the internal speakers and then they shut off. No sound can play it all. To fix the problem I just have to reboot and then the speakers work fine. Does anybody know why this happens?
This happens on my iMac sometimes and it just happened on my new MacBook Pro and I'm wondering if it's damaging the speakers in any way.
Edit: I don't remember what I was doing on my iMac to cause this, but I do know what caused it on my MacBook Pro. I was recording my canary singing (don't ask why) using Quicktime Pro, and then listened to it (it worked fine). I imported it into GarageBand to crop it and when I previewed it there to figure out where to crop the file, my speakers popped and GarageBand gave me a warning about the current track not being optimized or something. Note that never happened on my iMac.
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