Question about Apple MacBook Air
From one day to the next the sound has disappeared. I have checked the sound preferences and the mute box is ticked but I cannot un-tick it. Under the sound preferences there is are no output devices found and no input devices found. I cannot understand. Also, 2 months ago I downloaded an Entourage Update and it somehow archived/deleted all my emails prior to that - took it to an apple shop, and they could not fix it - " anyway it is a 3rd party software etc.." I am constantly having problems with entourage. Anyway, any help ref the sound ?
I have a solution for you all. This fixed the problem for me. First, make sure you are all running 10.5.5. If you are not, run software update from the Apple Menu. If you are set there, go to Applications --> Utilities --> Disk Utility --> Make sure your Hard Drive is selected on the left hand panel --> MAKE SURE the First Aid tab is selected! --> Click Repair Disk Permissions. This may take a while, FYI. As soon as Disk Permissions have been repaired, restart your computer right away. That fixed the problem at my end. Good luck everyone!
Posted on Nov 11, 2008
had same problem - internal speakers just disappeared from sound system preferences. I followed advice on this thread (repaired disk permissions etc) but I it only worked when I did this:
Shut down mac with headphones plugged into headphone socket (made sure they were showing up on system preferences/sound/output device
Opened system preferences/sound/output device and unplugged headphones
Internal speakers magically appeared.
FYI with my problem Optical device was showing on output instead of internal speakers (even though nothing plugged into audio out/headphone socket), and the internal speakers were clearly working as the start-up bong was audible on boot up. If you turn on your mac or pc and there is no bong (and nothing is plugged up to your audio out/headphone socket) you have a hardware problem with the internal speakers
Posted on Jan 07, 2009
After trying every solution on the net and being able to fix it once I know it was not a hardware problem. Some thing someone started with in one discussion lead me to look into the MIDI Setup. I have reboot my MBA several times and it has worked every time I think this may be the fix.
Step One: Open Applications.
Step Two: Find Utilities folder and open.
Step Three: Find the Audio MIDI Setup icon and open.
Step Four: Under Audio Devices will be the IAC Drive. If it Greyed Out, Select and click on “Add Devices”.
Step Five: If the word BUS is in this box select and remove.
Step Six: Make sure that the “Device is online” is checked. Your IAC Driver Icon should be all red.
FINALLY RESTART. Your sound should be working now.
Posted on Mar 20, 2010
I had this very same problem. At some point I suddenly realised that I wasn't hearing sounds through my internal speakers and the usual volume keys did not produce 'feedback' when trying to increase or decrease the volume. So I opened my 'System Preferences' and rather than see the usual option of 'Internal Speakers', all I saw was 'Headphones' greyed-out with no other option.
But fortunately the fix is immediate and simple. Plug-in a set of headphones, take them back out again and viola! Inside the 'phone jack is a small optical sensor that 'sees' when a pair of headphones are in the socket. Sometimes the sensor becomes dirty and therefore 'blind' and assumes headphones are still plugged-in when they obviously aren't.
Just for fun, when I applied this particular fix, I opened up my System Prefs again and as soon as I withdrew the headphones, the option 'Internal Speakers' immediately appeared and the previous greyed-out 'Headphones' was gone.
Posted on Jan 02, 2009
I tried all the fixed above but none of them worked for me. What did it though was to: - turn off my laptop - slightly wet a cue tip and stick it inside the headphone jack to clean it - stick a dry cue tip to in the headphone jack to dry any humidity
Posted on Sep 11, 2010
Solution 3 sounds like my problme but when i take out the headphones it still dosnt switch back to internal speakers! any suggestions for me?
Posted on Dec 17, 2009
Solution #3 worked for me! Thx!
Posted on Nov 12, 2009
I GOT IT. If you have an iphone or anything bluetooth you have to turn them off. I have an iphone, sony bluetooth S9 headphone, and jawbone ear piece in my house. After turning off everything my speakers came back, but the root of the issue is the iphone! You have to make sure that your bluetooth connection in your iphone is turned off. It's easily done! Just click on your 'settings' tab, then select 'general', you'll find the bluetooth link to click, and when there just turn it from 'on' to 'off'.
It's a wonder why Apple has not fixed such a simple issue.
Try it and tell me if it works. If not, then I am clueless.
Posted on Feb 17, 2010
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