Cannot adjust Sound / Volume

If you've tried everything else without any results, I had the same problem and solved it by plugging in a pair of headphones with volume control, and after fidgeting with plugging and unplugging the headphones several times while turning the volume up and down on both the headphones and the computer, it started working again.

Hope this helps.

Go to sytem preferencesaudio/midi set up>click output tab and highlight built in speakers, source built in speakers. If no joy, look in the headphone jack and see if there is a red light on, if there is try taking a headphone and plugging it in and out several times, if that does not work, try a Q tip with the end cut off, or a wooden tooth pick (nothing metal or conductive, and try putting in the jack and GENTLY "massaging the jack. There is a micro switch that sometimes gets hung up in the digital mode and this can sometimes free it up. These are the most common fixes, there are a few more obscur fixes, but try these first. Hope this helps. All the best

I'm have the same problem, what did you do? actually

Ejon3s5,

Read thru the other posts, there can be a number of things that can cause this. Try them one at a time and post back if none works for you.

Hope this helps direct you.

I just had this problem again.... it has happend a few times before, but I've found a (couple of) solution that will work:

1. My problem almost always occur related to my headphones. I dunno why....

My solution is to reinsert the headphones, then restart the MBP and pull out the headphones again as soon as the screen is black.

2. If 1 doens't work, try resetting PRAM first or after. Do so by resetting or turning on your computer while holding down P+R+ALT+CMD and letting go after the first white screen. Then your PRAM is reset and the computer will restart.

Atleast one of those two should work.

Had the same problem but i just waited about 5 miutes while playing music and it seems to ajust now.

This fixed it for me. I also have an early 2011 13" Macbook Pro.

I fixed mine by just plugging in my headphones and taking them out.

Not sure if it will work for you, but its worth a try

I ran into this problem last night. Tried everything in this post. The only thing that worked for me was turning off the auto open feature for Ituens and restarting the system. Now it works fine. I would recommend NEVER booting up with Itunes set to open on restart.

Nothing having my music at the ready was a bit of an inconveince but it's a small price to pay to be able to actually hear it. lol.

Good Luck All.

Try this everybody, reset your computer, when it starts up, press and hold Command R. If you have File Vault on, type in your password, if you don't have File Vault on, you don't have to type in your password. From there, a window will open up and you will click Disk Utility. From there, you will repair your hard drive known as Macintosh HD. If you have File Vault on, your hard drive may be locked. Click on your hard drive and click unlock.

Best.

What Warren West said helped me. Hold "Fn" and pressing the volume keys.

What I did and it worked

go to audio midi setup (find it with spotlight0

select build in output

change the format and back

It now works fine

I had this problem as well, but all I had to do was go to Sound in System Preferences, click on Output and move the indicator for Output volume at the bottom of the page.

1 - Spotlight - "Audio Midi Setup"

2 - Make sure "Built-in Output" is selected

3 - Select:

Format 44100 HZ - 2ch-16 bit Integer.

Fixed many problems!

Best of luck.

Hey guys I noticed that this problem occurred for me after I unplugged my headphones from my laptop. I simply plugged my headphones in and adjusted the volume using the f11/f12 keys and then unplugged the headphones again. This fixed the problem for me, so I hope this helps others.