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maxhk

macrumors newbie
Original poster
Hey guys,

I tried to adjust the volume on my MBP by using the F10-12 keys, but they don't work - the sound of adjusting volume was there, but the output of the sound remained at the same level.

Then I plugged in my headphone, and realized that the output level actually adjusts in the headphone.

The issue only exists when I'm using the built-in speakers.

What's the problem there? Thanks guys.
 
Have you tried restarting your Mac? Might be the fix...I've noticed that sometimes mine won't adjust and rebooting will fix it.
 
Have you tried restarting your Mac? Might be the fix...I've noticed that sometimes mine won't adjust and rebooting will fix it.

It works! Thanks.

I still want to know what the problem is though. Anyone?
 
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