macbook pro no audio on internal speakers or headphones

It is best to start a new post, rather adding on to an already existsting, as you will get more people looking at it, and thus offering more advice/sugestions. If these do help your issues, please post back, there may be other options. So it seems that (for some reason) the original default setting does not recognize a headphone being inserted, but after performing this 'resetting' it seems to come to its senses and behave properly from then on I moved the format back to the original 2ch-24 integer setting and the headphones continued working. Theres a foldable internal screen, a non-foldable external screen, stereo speakers. Go to Applications/Utilities/Audio MIDI Setup/Built-In Output/Output and in Format change from the default 2ch-24bit integer to any other format (say, 2ch-32bit float). Right click these two files and select 'Move to Trash'. No audio, and no 'Internal Speakers' in SystemPrefs>Sound>Output I am really stumped by this problem, and I'm really hoping you guys can help as I'm pretty sure it's a hardware issue. Select Computer, then Macintosh HD > Library > Preferences The internal speaker on my MacBook Pro still works. Now, neither speakers nor 3 different headphones have sound. It was working fine, then just spontaneously stopped while I was using external speakers plugged into the output jack. To get more aggressive you can try these options:Ĭlose all windows and quit all applications. 68 The headphone jack on my MacBook Pro stopped working.

app and see if you can select built in there. Have you tried cutting the end off a cotton swab and GENTLTLY swabbing the the headphone swabbing the port 9 00 clock to 3:00 clock, there is a micorswitch that some times gets 'hung up' and this can free up the witch.Īlso you can try going to to applications/utilities/ Audio MIDI Set up. Try plugging the headphones in and out 10-12times, while toggling the volume and mute buttons.

Macbook pro no audio on internal speakers or headphones