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For a month now I've had a problem with the sound on my Macbook Air stopping randomly. Up until now, my solution has been to restart. This has worked until today, when the speaker image on the volume is grayed out and will not even go up or down. No output device is listed under sounds.
I have updated all Mac software and am in the process of repairing permissions, but I'm still not sure that it will be repaired. I am at the stage of it stopping periodically with horrid tinny sounds occasionally and intereferency sounds just before it drops dead.
Sounds like one of the cables inside is not connected correctly or something along those lines so I would get apple to get it repaired ( which may cost a fair amount )
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To reset your MacBook's battery and settings, you can try the following steps:
Resetting the System Management Controller (SMC): a. Shut down your MacBook. b. Press and hold the Shift + Control + Option keys on the left side of the keyboard and the power button at the same time for 10 seconds. c. Release all the keys and the power button at the same time, then press the power button again to turn on your MacBook.
Resetting the NVRAM (non-volatile random-access memory): a. Shut down your MacBook. b. Press the power button to turn on your MacBook, then immediately press and hold the Command + Option + P + R keys. c. Keep holding the keys until you hear the startup sound twice. d. Release the keys and let your MacBook start up normally.
Calibrating your MacBook battery: a. Charge your MacBook battery to 100%. b. Use your MacBook until the battery runs out of power and your MacBook shuts down. c. Leave your MacBook off and unplugged for at least 5 hours. d. Connect your MacBook to the power adapter and charge it to 100%.
These steps should help reset your MacBook's battery and settings.
You laptop may have sound prefs set to external speakers, or
if there is a red light coming from the headphone jack. the mac thinks the headphones are still there.
Plug in and unplug the headphones an see if the red light goes out. may take a couple of times. Be gentle
Plug in your external speakers then go to system preferences then sound when in the sound control panel go to the output tab and select the external speakers as the device for sound output and of course at the bottom of the control panel make sure that the mute check box is unchecked and turn up the volume. Hope this helps
this is due to accidental disconnection of wire internaly so go to an authorised dealer and repair it otherwise it can also harm to your logic board if it touch with that
rate it plz
Hi, a try would be to reset the PRAM by pressing cmd - alt - P - R simultaneously at startup untill you hear 3 startup chimes, then try to change the sound settings
Hold the power button down. Keep it down until the unit powers off. Then press power to start the machine up, and as soon as you hear the starting chime (boooong) press Command+Option+P+R and keep them held down until you hear the startup sound 3 times. Then you can let go and it should start normally.
It sounds like the sound card on the main board has gone out. Since you have a Mac Airbook, I will almost guarantee that it is still under warranty and you should be able to go to apples website and make an appointment with the Genius Bar at the local store and then have them repair it for you. Back up any important data before you do this, including your itunes music collection and your photos.
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