HELP MAC EXPERTS!

Question

Level 1

0 points

HELP MAC EXPERTS!

Hi. I have a 2011 Macbook pro 13". Im running lion.

I have used Lion for quite a while with NO audio issues.

My problem is that i get no audio when I have headphones plugged in. The internal speakers still work fine tho. All system preferences are correct although in "Audio/Midi" settings my "Master" is greyed out and on 0. I have tried resetting my PRAM and SMC. This is not a Red Light issue either. im completely stuck and in need to fix this ASAP!.

I know the headphones work thats def not the issue. When headphones are first plugged in you can hear the small static at the beginning.

Tried Rebooting, pretty much everything. I've run out of options...HELP!!

Thanks in advance.

Mac Pro, Mac OS X (10.7.5)

Posted on Oct 8, 2012 2:42 AM

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Answer 1

dmdimon

Level 3

856 points

Oct 8, 2012 4:24 AM in response to illbaz

check it with another model headphones. There can be low impedance for example, slightly different jack, something else

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Answer 2

a brody

Level 10

82,941 points

Oct 8, 2012 4:26 AM in response to illbaz

Change your Audio Midi setup application setting to Stereo and 48 Hz. Make sure your Built-in Output is selected whiny our so. It is found in the Applications -> Utilities folder.

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Answer 3

illbaz Author

Level 1

0 points

Oct 8, 2012 7:09 AM in response to a brody

None of those suggestions have worked. The "Master" volume in the Audi/Midi settings is greyed out BUT the mute aoption for the MASTER is still visible. But i can not move the volume of the master, it is stuck on zero.

I fear there is no fix for this except repairing the logic board which would cost the same as a brand new macbook...

Help please.

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Answer 4

Linc Davis

Level 10

209,547 points

Oct 8, 2012 7:59 AM in response to a brody

Make sure your Built-in Output is selected whiny our so.

?

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Answer 5

illbaz Author

Level 1

0 points

Oct 8, 2012 5:07 PM in response to Linc Davis

How do you mean whiny our so? My built in out put is selcted and i can not see any options for "whiny our so"

Here is a screenshot of my Audi/Midi

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Answer 6

a brody

Level 10

82,941 points

Oct 8, 2012 7:09 PM in response to Linc Davis

😝 Typos abound....and sadly with the iPad no chance to correct them. Aigh...

I meant to say, make sure your Built-in Output is selected as shown in the image. I don't know how that came out. Must have written it in my sleep.

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Answer 7

a brody

Level 10

82,941 points

Oct 8, 2012 7:11 PM in response to illbaz

Anyway, your Master volume is set all the way to the left. That means it is muted. Slide it all the way to the right.

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Answer 8

illbaz Author

Level 1

0 points

Oct 8, 2012 7:43 PM in response to a brody

Lol, no biggie man. The problem is, is that i can't slide the master up. It's greyd out. Any ideas?

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Answer 9

dmdimon

Level 3

856 points

Oct 9, 2012 1:10 AM in response to illbaz

Is it working without headphones?

If so - telling you again - try other headphones. Not all of them are compatible. There are tech specs on compatible headphones.

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Answer 10

illbaz Author

Level 1

0 points

Oct 9, 2012 1:35 AM in response to dmdimon

Iv tried 3 different pairs of headphones, iPod headphones, DJ headphones and production headohones. None of these worked.

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Answer 11

CMCSK

Level 6

11,452 points

Oct 9, 2012 1:37 AM in response to illbaz

Time to call Apple Care if you are still under your one year warranty or have Apple Care Protection Plan.

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Answer 12

illbaz Author

Level 1

0 points

Oct 9, 2012 4:13 AM in response to CMCSK

Not under apple care unfortunatly. This is a huge bummer that there is no solution to this problem. Pretty disapointed.

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Answer 13

EcoGreg

Level 3

876 points

Oct 9, 2012 6:24 AM in response to illbaz

illbaz,

You are on the application for Audio/Midi set up. This is not for standard mac audio listening, only if you are trying to set up an external audio/midi controller, i.e DJ equipment, keyboard, etc...

For just listening to music via headphones, First quit Audio/Midi setup, then open System Preferences. Click on Sound icon and you should be good to go. Alternatively, you can click on speaker icon in menu bar to adjust output, or hold down option key while clicking on speaker icon and go to sound preferences.

Use Audio/Midi setup only if you have an external controller hooked up. Then you have to Configure Speakers.

Hope this helps.

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Answer 14

mr da

Level 3

510 points

Oct 9, 2012 6:48 AM in response to EcoGreg

Actually, there are some situations when Audio Midi Setup can help even when not connected to an external controller. My daughter was having trouble getting sound out of a direct hdmi -> TV setup, but when the output frequency was lowered (to 40 something khz) in AMS, the TV had no problem with the audio.

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Answer 15

EcoGreg

Level 3

876 points

Oct 9, 2012 6:56 AM in response to illbaz

Forgot to mention that under Lion and ML, there are seperate volume controls for internal speakers and headphones. Your computer should automatically detect when you plug in headphones and in sound preferences you should be able to click on headphones and adjust volume slider.

This is an improvement to OSX as you can now control each volume level.

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