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Can not adjust volume

Woofie2010

Woofie2010

macrumors regular
Original poster
Hi,
So my macbook pro is only about a week old, and overtime i press the volume up/down key i get the volume icon appear with a little circle with a line through it and so I'm unable to adjust the volume.

I don't remember changing anything..... it was find before i shut down my PC, i haven't restarted but i have logged in and out again


any suggestion?
 
To be honest I did check, I just restarted the computer.

What does the red light mean?


I was still getting sounds, just couldn't adjust it
 
Red light indicates its using optical digital out. There's a small switch in the port that can get stuck on older MacBooks which stops you adjusting the volume.

Must have been something else in this case.
 
First off I was meant to say I didn't check to see if there was a red light. I just restarted the computer.

The only thing plunged in was a lighting to Ethernet adapter and maybe the charger.
 
ok,
so after turning off my laptop over night and turning it back on, i have the same problem again, where i hear stuff, but not adjust the volume.

If i place the volume icon in the menu bar it looks grayed out.


When looking in settings it says "play sound effect through" selection option, and i change it to international speakers and nothing happen.

The other two tabs say internernail speakers..... and there is no red light in the headphone jack.

I assuming a restart will fix this, but does anyone know why this is happening? My laptop is only a week old.


Edit: It seems to only happen after a cold boot.
I have reinstall OS X once because i had a file vault problem, could this be a problem of a bad install


edit 2: No idea if it only after cold boot, as whilst i had problems after a cold boot, i plug my headphone in and out, and then i just adjust sound then did a cold boot and it work......

I guess i need to keep testing more
 
Last edited:
You still didn't tell us what year is your macbook?

It's a great idea to let the GeniusBar diagnose your problem.
 
Sorry, I scroll back and didn't catch that line lol.
So bring it to the GeniusBar if you have an Apple Store nearby. It's the best I can suggest.
 
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