MacBook built-in speakers won't work

Anyone else have this glitch? The internal speakers worked fine at first, but would not respond at times when I plugged into, then unplugged earphones or line-out from the headphone jack. If I shut down and powered everything down with nothing plugged into the earphone jack, then started up fresh, the internal speakers would work, until I plugged and unplugged into the headphone jack, at which time the internal speakers would not respond again. Now even that has no effect. Presently, the internal speakers will not work at any time, except for the orchestra chord at startup-- no sound (including alerts), no graphic or effect when pressing volume up/down keys, no indication of on-board speakers in System Preferences>Sound, volume indicator in menu bar grayed-out, mute key flashes speaker symbol but not "on" or "off" when pressed, all that with nothing plugged in to headphone jack. But sound works perfectly through headphones or line-out. This must be a software glitch... I have installed the latest software and firmware updates, to no avail. I tried the suggestion from another post: log out, log in to another account, check sound, log out and back into administrator account. Didn't work. Tried the suggestion for a slightly different problem-- booted GarageBand, mucked around, quit... no effect. Somebody help, it's a shame to lose those pretty decent on-board speakers on my otherwise perfect Macbook!

i actually stuck a match up the jack while my macbookpro was on, and after a second (literally) of fiddling, the internal output worked fine again. so i suggest to anyone with these problems to just shove something up in the jack and fiddle for a second or two. no need to send the computer in.
same symptoms... red light (from the optical output jack), no system preference to change to internal speakers (even when you've got nothing plugged in).
tibook g4, mbp 2.0 Mac OS X (10.4.9)

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1. If red light is visible in the headphone port, plug the headphone into and out of the port 5 or 6 times
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2. Reset PRAM. http://support.apple.com/kb/PH4405
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Anniefb1 wrote:
I have a macbook pro retina which doesn's have an optical drive. I have bought an optical drive. When I plug it in and put a disk in I can hear the disk spinning and the light comes on but nothing happens on my mac. It doesn't seem to recognise it. Any suggestions?
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My built in speakers arn't working

Hello, Just looking for some advice.
I have just had a new hard drive fitted into my mac book as the previous one had died.
Normally i link my macbook to my HiFi via the aux setting on the hifi and usinga headphobne jack into the headphone socket on my macbook. I have done this since having the new hard drive but last night i unplugged it and the built in speakers weren't working.
The headphone socket now has a red light in it and when i go to the sound specification in the prefrences menu it says that the device has no built in speakers?
what have i done? Should i take it to a shop?
apologies it it is utterly obvious im just not a wizz.
Thankyou!
Ruby xx

Hi there,
I've got quite a similar problem. Yesterday I rebooted my MB because two programs crashed. The first strange thing which happened was that the start up process took ages. Afterwards, like five minutes, the sound symbol in the status bar had disappeared and I couldnt find any sound output devices within the sound menu. I've read lots of posts to this topic and in most ones they talked about a red light within the headphone jack, which isnt true for me.
I've tried a hardware check as well as PRAM reset and all those things but nothing helped. Has anybody an idea what went wrong/ what I can do? Im going insane without music.
Kind regards,
philo

My MacBook Pro internal speakers are not working, what happened?

My MacBook Pro internal speakers are not working, what happened? If I plug in earbuds or external speakers, there is sound. In sound preferences, internal speakers are not a choice. Why doesn't my internal speakers work?

Hopefully one of these steps should solve the problem.
1. Remove the headphone.
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2. Reset PRAM. http://support.apple.com/kb/PH4405
3. Reset SMC.     http://support.apple.com/kb/HT3964
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4. Applications > Utilities > Audio MIDI Setup
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My laptop thinks there are headphones in at all times, such that the speakers won't work, how do I fix this?

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HT3159 my built in speakers ar no working can you help thank u

my built in speakers ar no working can you help thank u

Things to try:
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Try taking a set of headphones and plugging them in and out several times
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OPTION COMMAND P R
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Please identify your notebook/pc .
Look at the base/rear/side of the notebook/pc at the barcoded sticker.
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****Please click on Accept As Solution if a suggestion solves your problem. It helps others facing the same problem to find a solution easily****
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MacBook built-in speakers won't work

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