Sound 'out' is reset to "Internal speakers" after any restart.

I'd prefer it would stay assigned to "line out" but this won't happen. Has anyone experience with this mystery?

Sound out reverts to internal speakers at every shut down
Sound output reverting to internal speakers after restart

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Sound output: keeps changing from internal speakers to Apple TV

My iMac keeps changing the soudn output from internal speakers to Apple TV. Why. This makes it a pain. Eveytime I use the iMAc, I have to go into preferences>sound>output and switch to internal speakers. Any ideas how to stop this form happeneing?
Thanks!

If you use LogMeIn, it is their sound driver. I'm having identical problem and it started after using LogMeIn.
See this page;
http://community.logmein.com/t5/Free/Mac-restore-defaul-sound-output-device-on-d isconnect/m-p/88522/highlight/false#M8093

No sound from internal speakers after using audacity 2.02?

No sound from internal speakers after using Audacity 2.02 ?

Hey iberlin12,
I would check out the article containing recommended troubleshooting steps for when you don't hear audio from a Mac's built-in speakers:
Troubleshooting issues with no audio from built-in speakers on Macs
http://support.apple.com/kb/TS1574
Best,
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When external speakers are plugged in to headphone jack, sound randomly goes back to internal speakers or digital audio setting, then back again

I have an essentially new MacBook Pro with Lion and all updates applied, and am wondering if this is a hardware or software problem. Essentially with something plugged into the headphone jack, things work as they are supposed to for a while, then the sound will switch back to internal speakers, or sometimes 'digital out' (I can watch it change in the system settings), and then often switch back. It doesn't seem to follow any sort of pattern or be related to any specific application that could be open, and happens with different sources of audio (iTunes, streaming from the web), and different external speakers or headphones plugged in.

Sounds hardware related. If it's brand new, and you're still under warranty I would have it checked out.
I have not experienced this on my computer.
As I understand it, you have analog RCA outputs from an 1/8" to left and right RCA outputs. when you're randomly using the computer, it'll switch to internal speakers, then to digital audio, back to your stereo analog external speakers.
This should not be happening and if it's happening with streaming content (I am unaware of anything that streams in 5.1 digital audio) then this must be something that an apple specialist should look at and consider.
Does this happen with the headphone jack out? when you hold your finger over the headphone jack area does a red beam come out of it *blinking* or just on? This will be a good indicator that your audio hardware is faulty. are you running HDMI out?

Dv6 Only plays Sound out of the built in speakers if headphones are plugged in ...please help

My Pavillon Dv6 Only plays Sound out of the built in speakers if headphones are plugged in. It plays sound from both when there plugged in. Please hep me.

Step 1:
In troublshooting the problem you may follow the steps provided below.
a. Click Start, type Sound in the Start Search box.
b. Click Sound in the search results at the top of the Start menu.
c. Click the Playback tab. Notice the check mark next to the default device. For most users,the default device is speaker, change it to headphones. Make sure that your audio settings are configured as expected.
Step 2:
On the Playback tab, select the playback device, click Properties, click the Advanced tab, and make sure that the Default Format is set to the value that you expect. When you finish, close this window to return to the previous window.
Step 3:
On the Playback tab, select the playback device, click Configure, and then make sure the configurations are set correctly.
Method 2:
If the issue persists then I suggest you to follow these below mentioned steps to mute all other sounds when windows detects any communications activity.
a. Click Start, type Sound in the Start Search box.
b. Click Sound in the search results at the top of the Start menu.
c. Click the Communications tab.
d. Click on the radio button according to your convenience, under When Windows detects communications activity.
After performing the above steps you may check for the issue.
For more troubleshooting you may visit this below mentioned link.
Tips for fixing common sound problems
http://windows.microsoft.com/en-us/windows7/Tips-for-fixing-common-sound-problems
Let us know how it goes!
"I work for HP."
****Click the (purple thumbs up icon in the lower right corner of a post) to say thanks****
****Please mark Accept As Solution if it solves your problem****
Regards
Manjunath

No internal speakers after EFI- and thunderbolt updates

i got no sound in my internal speakers after the updates.
rebooted and repaired permissions, problem persists

Is there a red light shining in the headphone port ?
If so, some solutions to be found in this threadhttps://discussions.apple.com/message/10384803#10384803
Stefan

I am running 10.8 and setup airport extreme to run music from my imac to my receiver in the other room. When I open sound from system preferences, I don't see an external device to choose, other then internal speakers. Any ideas?

I am running 10.8 and setup airport extreme to run music from my imac to my receiver in the other room. When I open sound from system preferences, I don't see an external device to choose, other then internal speakers. Any ideas?

Airport Express (the small Airport device, which is the only one with an audio connection) works through Airtunes, which only works with iTunes. The computer won't send ALL system sound to the Airport. If you actually want to send sound outside of iTunes, use Airfoil.
Matt

My Trackpad speed and Highlight Color keep reseting to their defaults after EACH restart.

My Trackpad speed and Highlight Color keep reseting to their defaults after EACH restart. I'm running OS 10.8.2. I had other problems with a previous admin account, so I created a new one, in which I'm having this problem, and deleted the old user acnt.
Please HELP!

Keyboard and mouse preferences are stored in the following two plists:
com.apple.systempreferences.plist
com.apple.universalaccess.plist
EE

No Sound From Headphone Jack, Only Internal Speakers working in Macbook Pro A1278

Hello, the internal speakers of Macbook Pro A1278 OSX 10.7.5 are working perfectly, but no sound from headphones or external speakers when plugged in. Headphones/speakers recognized when plugged in, shown by System Preferences/Sound, and since the sound stops from internal speakers when headphones/speakers are plugged in. No red light seen coming from headphone jack, as I read in other posts. The problem began after a cable was connected between computer and stereo system. Maybe overloaded the sound card and burned out a connection? Wondering if you think that the sound card needs to be replaced or is there another solution possible? Thank you.

Hello JohnBoarkman,
Welcome to the Apple Support Communities!
I understand that you hear no sound from your accessory when you connect to your headphone jack. My first troubleshooting suggestion for this situation would be resetting the NVRAM on your Mac. Please use the instructions in the attached article to complete this process and let me know if the issue continues.
How to Reset NVRAM on your Mac - Apple Support
Have a great day,
Joe

Hissing noise from the bottom speakers after any sound

Like the title i recived my new iphone 5 yesterday and I find suddenly this problem. After any sounds like lock or any music or something else, a hissing noise start for 5-7 seconds. Is that a hardware problem?
Thanks

hi sailor,
contacted apple phone support, unfortunately apple care number is not free in australia.
first time it took 17min and was not able to contact a technician coz credits in my mobile ran out.
second time it took 25min. i explained all the issues
told them i reset the pram, smc and reinstalled the OS and still i hear the hissing noise.
they replied that speakers may make a hissing noise if the macbook is on battery, but the noise should be very low and it should not be audible, if the noise is audible and loud, they suspect its a hardware failure, i got my case id and will be taking it to the nearest service center here, for them to have a look.
so if u have a macbook that is under warranty dont hesitate to contact them. i guess even refurbished macbooks bought in online store also have a 1yr warranty.
<edited by moderator>

No sound with either headphones or internal speakers

I have no sound suddenly, with Itunes or CDs. Nothing from the headphones or the internal speakers. Mute is not on and Internal Speakers is selected for use of internal speakers. Has anyone else had this problem?

Hi Nancy-
I have a 17" G4 1.5MHz aluminum PowerBook, 10.4.8, with no audio, too. Volume = max, System Prefs sound-in = internal mic, out = internal spkrs. Microphone shows no input. Connecting an iMic (w/external microphone) via USB causes sound-in pane to recognize the USB device, and both line-in and internal mic show a very regular pulse (about 1-2 per second) but no sign of any real audio from mic. Disconnecting the USB device, closing then reopening System Prefs sound pane, causes pulse to disappear.
Tried all the usual suspects: Zap PRAM, reset PMU, different login, even tried the Garage Band classical piano trick (play a few notes, audio might return), but nothing worked.
Machine was purchased in '04, well out of warranty. I found the sound board's flex cable had somehow popped loose; reseating that flex cable (next to hard drive) solved all audio issues since the sound card was essentially disconnected. (Taping it down might be a good idea.) Of course, this requires opening the machine.....
Connector might have been jarred loose from rough handling, I dunno. Might be worth checking.

No Audio from Internal Speakers after a fresh install of Windows 7 Pro

T400S - after a fresh install of Windows 7, theres no audio from the Internal speakers. When I plug an external speakers there's audio. I also install the audio drivers from the Lenovo site. Thanks

Does your sound bar in the Sound Windows go up and down when you play music?
Regards,
Jin Li
May this year, be the year of 'DO'!
I am a volunteer, and not a paid staff of Lenovo or Microsoft

Music from line-out, but effects from internal speakers?

Why is it that I have line-out selected as my output source for audio, and music can be played through it, but for a week now, sound effects like those from mail, are coming from the internal speakers?
I guess it could be a cool feature if it was something you could control, but this is definitely a bug as it is now. Can someone offer me a suggestion for this issue? Switching audio output and then back doesn't work (although it has worked for me in the past with 10.4).

I am experiencing the same problem. About a week ago (I didn't install any updates or anything) all my sound effects (mail, ichat, etc) started coming through the internal speakers even though I have my soundsticks selected for all output.
I've repaired permissions, rebooted, and tried all sorts of configurations in the sound portion of system preferences to no avail.
I'm running 10.5.2 on a 2.16GHz Intel Core 2 Duo 24"iMac with 3G of RAM.
Any help much appreciated.

System Sounds Have Started Playing Through Internal Speakers

I have a Presonus Firebox sound card through which I play all my audio. Suddenly and mysteriously, all my system sounds (email sent, email received, trash emptied, etc.) are going through my internal speakers, while all my apps remain as they were -- iTunes, FCP, Firebox, etc., all play audio through my sound card and speakers. In System Prefs, the Firebox is chosen as input, output and sound effects.
Why is this happening, and how do I fix it?
Thanks,
Giraut

Hi Giraut,
I don't have such a device to check, nor even external speakers, but I suspect this invisible file is corrupted, I'd drag it to the desktop and see if you can set it again...
/Users/YourUserName/Library/Preferences/ByHost/.GlobalPreferences<12digitHexNumb er>.plist
Might check Midi Setup Utility to see if it's set for 44.1K also.

No Sound from Pavilion g4-1310au Internal Speakers (Windows XP)

Hello everyone,
-I have a problem with an HP Pavilion g4-1310au (D9H87PA#UUF) regarding its speakers. The laptop's internal microphone & speakers not working even after installing the correct driver on Windows XP Professional SP3. External headphone plugged into the audio jack works fine.
-The exact hardware ID is HDAUDIO\FUNC_01&VEN_111D&DEV_7605&SUBSYS_103C3564 (92HD81B1X). I already tried SP52720.exe (5.10.6324.0), SP53281.exe (5.10.6330.0), SP55082.exe (5.10.6341.0), SP59154.exe (5.10.6425.0), up until the latest SP62037.exe (5.10.6469.0), but none works.
-The laptop's owner insists on Windows XP as he has program(s) that won't run 100% correct on Windows 7 (or Vista/8).
-Is there any generic XP driver for HDAUDIO\FUNC_01&VEN_111D&DEV_7605? I'm asking this as on Windows 7, even default Windows driver (generic "High Definition Audio") works fine.
-BTW, according to stahd.ini, the configuration file for this specific model is 92XXM11-4.INI; is there anything in there I could edit/modify to make it works?
-Every help is really appreciated, thank you very much.
Regards,
-Musafir_86.

BUMP! Anyone? Please...

Sound 'out' is reset to "Internal speakers" after any restart.

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