Sound vanished

Grom · **Joined:** Mon Mar 29, 2010 5:05 am **Posts:** 5

Hi Guys,

I own a version 1 MacBook Air. The sound has vanished, when I go to preferences the mute check box is ticked and grayed out so that i cannot un-mute. I have tried inserting ear phones and restarting my Mac to solve the issue as recommended but this dose not solve the problem.

in preferences sound if i connect ear phones they are not recognised in the output box.

Can anyone help me solve this please ?

Best Regards,

Nick

justin-pbmedic · **Joined:** Thu Feb 27, 2003 6:35 am **Posts:** 977

Check your headphone port and see if it is glowing red inside.

Grom · **Joined:** Mon Mar 29, 2010 5:05 am **Posts:** 5

Hi Justin,

I have checked the airs headphone port no it is not glowing red inside but neither does my G4 glow inside and it works perfectly.

Regards,

Nick

justin-pbmedic · **Joined:** Thu Feb 27, 2003 6:35 am **Posts:** 977

Ok, sometimes the headphone port gets stuck in optical mode and locks out the sound settings.

The next thing I'd try is creating a new user account through system preferences, and see if the new account has the same issues. This will rule out any bad or corrupt profile settings.

Grom · **Joined:** Mon Mar 29, 2010 5:05 am **Posts:** 5

Hi Justin,

it worked then i put my earphone jack into the socket and the sound vanished again. I tried creating another account but this has not been successful.

Next Steps plz -)

justin-pbmedic · **Joined:** Thu Feb 27, 2003 6:35 am **Posts:** 977

Well to completely rule out a software issue, it would require reinstalling the OS. After that it is going to be a hardware problem and it'll be a bad logic board.

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