MacBook Pro :: No Internal And Output Devices Found
May 19, 2012
My MacbookPro sound suddenly stopped working. It was working fine yesterday, but rght after I unplugged the headset, I don't have any sound anymore. I do not have any red light on the audio jack. I do not have any internal and output devices found under the System Preferences. I already tried resetting the PRAM and NVRAM, SMC and nothing works! I have the latest verion 10.7.4, Core i7.
Info:
MacBook Pro, Mac OS X (10.7.4)
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May 31, 2012
A few weeks ago my MacBook Air suddenly would not play any audio. It would happne off and on. Usually the sound would come back after restarting. Now, though, I can't seem to get my audio to come back at all, no matter what I do. Here are a few screenshots to give you an idea of what's going on: I've restarted. I cleared permissions with Onyx. I verified and repaired disk permissions with Disk Utitlity. Still no audio.
Info:
MacBook Air, Mac OS X (10.7.3), 13" 2.13GHz Core 2 Duo 128GB SSD
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Apr 9, 2009
This just happened to me the other day, I plugged a pair of apple headphones in used them and then unplugged them. The next day I noticed that I was not getting any sound from my macbook air, no startup sound, no OS sounds, and even the headphones are not detected when plugged in. I've tried all the tricks and so far nothing.
Of course my mac is just out of warranty at the end of March and I'm going to imagine this is a small fortune to get fixed. Since last time I took it in while it was in warranty they wanted 900 bucks to replace my HDD
Anyone else run across this, I'm thinking of just throwing it on craiglist or ebay for like 900 bucks as is and buying a normal laptop
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Oct 11, 2009
Hey, my macbook was getting rather slow so I decided to do a clean install of Leopard, but now I have absolutely no sound whatsoever apart from the startup chime! The volume keys now don't control volume and instead do expose and dashboard.
I did however install it with a Leopard disk that was from a shop and not one of the grey ones that came with the computer, is that the problem? If so how can I fix it?
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Jul 11, 2009
My sound has completely quit working. In the sound system prefs I get a massage saying "No output devices found". If I press the volums button keys the onscreen display comes up but has a 'no access' icon on it (a circle with a line through it). The icon in the toolbar has also vanished and there's just a blank space in its place.
Oddly whatever happened also seems to have effected my ability to view Flash movies -*the will play for a few seconds an then pause *they don't stutter they just pause. I think that whatever the issue is it was caused by a force shut down. All my applications were hanging so I had to press down the power button for a few seconds. Since then nothing!
This also effects the start-up sound which I don't get and all users of the machine are the same so it's not a case of deleting users prefs. So far I reinstalled the latest system using combo updater, run disk utility to repair disk/privileges (from start up disk) and zapped the PRAM.
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Mar 27, 2012
All of the sudden the sound on my MacBook is no longer working. When I look at System Preferences>Sound>Output it says there are no devices found, even when I plug in external speakers.
Info:
MacBook Pro, Mac OS X (10.5.2)
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Jun 10, 2009
I had a first gen aluminum 13" Macbook that I spilled beer on. It was basically a write-off, but fortunately the HD was not damaged.I just got my 13" Macbook Pro today, and replaced the new HD with my old one. Everything is working fine, except that there is no sound.When I go to System->Sound I see "No Output devices found", and when I press the sound buttons on the keyboard, the speaker is grayed out.I know this is not a Hardware issue for a couple reasons. First, it properly 'chimes' on startup. Second, I did try running the computer with the new hard drive, and during the sound was working properly, volume adjustment buttons working, etc.
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Mar 19, 2010
Occasionally after booting back into OS X from bootcamp (windows 7 home premium), I will not have any audio output devices. If I restart OS X again they return, anyone have what maybe happening here? This is on a 09 MP...
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Apr 11, 2010
All of a sudden my mini's sound output stopped working and now doesn't recognize any output devices. worked earlier today not now, didn't add anything. system pref - sound - output = "no output devices found
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Apr 9, 2012
Have read all the threads I can find and tried all the fixes, with no joy. Last posts were end of last year, '11. Anyone got any more info since then?
Info:
iMac (27-inch Mid 2011), Mac OS X (10.7.3)
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May 22, 2012
Just today I have installed an application which was to do with sound switching , called "soundflower" once iv installed and run it there was an option "create multiple sound switch" did chose and start to creating a multiple, as soon as it started my sound card panel display as "no sound card founded" and my sound icon on the top bar turned to light gray.
Double click on that and when it opens you will see your hard drive (usually Macintosh HD) on the left. Highlight your hard drive and click on Verify Disk on the far right. If that is OK click on Repair Permissions on the left. If Verify Disk is not OK try to Repair. If Repair is successful then Repair Permissions if it is not successful let me know. But problem still remains.
Info:
iMac
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Jun 19, 2012
My sound keeps turning off. When I check the settings, the output device switches randomly between Internal and Digital output. I have no idea where the Digitial Output is coming from and this started about a month again. It switches randomly and then I loose all sound for a few seconds. Sometimes it happens once then stops for a few days, other times it switches back and forth for 5 min. No idea!!!
Info:
MacBook, Mac OS X (10.6.8)
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Mar 27, 2012
mac book pro Mac OS X 10.6.8 processor 2.2 intel Core i7 Memory 4gb 1333 Vyz DDR3
Can't use sound - No device found seys in Sound prefereces pane
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May 13, 2009
So I started up my macbook this morning and have been using it for awhile when I went to go play some music and can't get any sound. When I hit the volume buttons it shows a shadow of the speaker logo and a circle with a line through it under the volume bar. I have tried a restart and also went into sound controls, where it says "The device has no output devices" . What can I do/what's going on?
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Jul 15, 2009
I've a Macbook that was running Tiger. The other day it froze, and on restart it couldn't find the startup disk. Tried to run Disk Utility but it didn't even see the disk. I tried the disk in a cradle on another computer but it wouldn't work.
So, I reasoned it was a fault with the drive. Bought a new Hitachi drive. Put it in the Macbook. Started the install but exactly the same problem - the disk is not to be seen, not by the installer, not by Disk Utility, not in System Profiler.
I ran the Apple Hardware Test and chose the extended one with looping. Ran it for hours. It says that it can't find a problem.
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Apr 30, 2010
I picked up a really cool wireless USB speaker set and want to use it with my current gen iMac running Snow Leopard. Problem is that as far as I can tell, and I've done some searching, that it's either the USB audio, or my internal iMac speakers, one or the other - not both.
could use both outputs at the same time? Internal speakers and the wireless USB ones?
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Oct 23, 2002
I was with sounds problems using OS 10.2 and I decided to format my disk and make a clean install. After installing 10.2, my sound was working well. I upgraded to 10.2.1 and in the following restart when I tried to use iTunes, no sound at all. When I hit play not even the cursor moves; nothing happens. I opened the Sound control panel, and in the Outpu tab there's a message saying:
" no output devices were found"
I cannot figure out what's happening. My computer sound is OK; everything works fine when I restart using OS 9.2.2.
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Jul 12, 2009
The sound output in my Macbook Pro has been going in and out now for a number of months. And yesterday it finally got stuck on "Digital Output" meaning when I take out headphones from the jack, the internal speakers do not work. I am planning on taking it in and wanted to know, since I am still under warranty will Apple repair it, or give me a new one?
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Dec 1, 2014
i can't get macbookpro 2010 to recognize internal speakers and audio output. only optical OUTPUT. CAN'T GET ANY SOUND EXCEPT FOR OPTICAL PORT
Info:
macbook pro 15" 2.33Ghz, 3GB RAM, 120HD/1TB Ext. Drive, Mac OS X (10.5.6), Final Cut Express 4.0.2/Sony HDR-SR11
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Mar 23, 2012
I have multiple displays connected via the HDMI port and one to the mini port as well and a theater sound system attached to the headphone jack. How do you turn on sound output to both HDMI and headphone jack. If the headphone jack is plugged in, it always defaults to that device. I am unable to hear the audio at the remote displays without removing the headphone jack.
Info:
Mac mini (Mid 2010), Mac OS X (10.7.3)
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Jun 10, 2012
I just got this new iMac that I got used and the sound on the computer does not seem to be working, I have tried doing what the computer tells me and going into System Preferences and selecting the sound option, but the sound seems to have been permanently disabled and shows that there are no output or input devices available, when clearly the monitor has speakers. whats more, is that the volume icon does not show up in the menu bar even when I select that I want it in the menu bar.
Info:
iMac
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Apr 24, 2012
I was in Audio MIDI Setup and I clicked one of the checkboxes to add a device to something or something like that and all the devices vanished from the list and sound stopped working. After closing Audio MIDI Setup I am unable to open it again, even after restarting and getting all the updates. Skype now freezes and doesn't load. Sound preferences also have trouble and freeze up if I try to load them. I would really like to have sound from my computer again!
Info:
iMac, Mac OS X (10.7.3)
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Feb 1, 2012
My internal speakers just stopped working. MIDI and Utilities system preferences says there is "no devices found"
What is the matter?
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Jun 29, 2010
i'm a HUGE gamer, so the first thing I did once I loaded this new computer up was install my copy of Windows Vista on it using Boot Camp Assistant. The installation went completely smoothly, so I then proceeded to install the Boot Camp Drivers onto my new and fresh and clean Windows Installation.
I restarted the computer and everything seemed to be in working order...but there are two relatively MAJOR problems:
One, the one that is the most pressing, is the sound. When I started up after installing all of the boot camp drivers, I couldn't get a single audio device to get recognized by my Vista Home Premium installation. I tried disabling and re-disabling other drivers in the Device Manager, and when I try to download new drivers for the one audio device that has an error sign next to it, Vista claims that it is already updated to the latest drivers, so it will not install new ones. I even went onto cirrus' website to download their official drivers, and the same thing happened.
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Jun 1, 2008
I have an iMac at home. I have two airport express devices with hifi systems connected. I use iTunes to play music, podcasts,radio, .. on the different hifi systems dependent on where I am in the appartment.When using the remote control on the iMac it seems to me that it isn't possible to select the wireless devices for sound output.
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Apr 16, 2012
"No output devices found" is what the system preferences show under Output.
Info:iMac (21.5-inch Mid 2011), Mac OS X (10.7.3)
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Feb 25, 2012
I usually listen to any output from my iMac (Intel Core 2 Duo 3.06GHz, 27", early 2010) through an external amp and speakers, via the analog output (headphone socket). However - I recently disconnected the jack plug to listen through the machine's internal speakers but was greeted with silence. I checked the volume via the kb controls - the mini display appeared on screen suggesting that the volume was set on full, though I could not adjust it at all. I reconnected the jack plug and sound came out from my external speakers as usual. On disconnection, no volume. I searched the forums for ideas, and came across this support article: [url],,, which I followed to the letter.
When I open 'Sounds' in System Preferences, the only output option available to me is 'Digital Out' - there is no option for internal speakers or headphones. However, if I plug in the line-out jack, the options change - only 'Headphones' is available (no 'Digital Out' any more). Following the article, I checked to see if there was a red light in the digital output socket, which there is not.
Info:iMac, Mac OS X (10.6.8)
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Apr 10, 2009
A headphone jack got stuck in my macbook pro as it fell down in a plane going thru turbulences (lucky me!).So that now it thinks there are headphones connected while there is nothing...I wont be anywhere near an apple store for the next month so I was just wondering if it was possible to force the use of the internal speakers over the output jack?
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Apr 17, 2012
I am having a very slow running iMac on snow leopard 10.6.8, and using disk utility, am being told the disk needs to be repaired.
Error: This disk needs to be repaired. Start up your computer with another disk (such as your Mac OS X installation disc), and then use Disk Utility to repair this disk. The volume Macintosh HD was found corrupt and needs to be repaired.
Missing thread record (id = 1322757) Incorrect number of thread records
Invalid volume file count (It should be 880464 instead of 880473)
So I need to find my installation disk, and my question is: is this installation disk internal, somewhere within the iMac, or is in on a physical cd somewhere in my mess?
Info:
iMac, Mac OS X (10.6.8), only 6GB free space
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Dec 15, 2009
I feel like I once had a PrefPane for this problem but just am having a hard time searching for it. Currently I have my heaphones jack Line-In routed to my AV Receiver for iTunes music in my room, but whenever I am YouTubing or other stuff while listening to music the System Sounds come out of my Loudspeakers too. I am interested in routing only the iTunes audio through the headphone jack, and everything else to run through my iMac's internal speakers (2007 iMac AL).I saw the SoundFlower thing out there but didn't think that was the ticket
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