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Early 2011 model, A1278 / 2.3 GHz i5 or 2.7 GHz i7 processor.
When I try to adjust the volume, the icon is grayed out. When I reboot, there is no chime. And when I go into the sound settings, it doesn't show an output. I have tried resetting the PRAM and the SMC.
Do I have to replace the speakers?
Any help would be appreciated.
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does it work with headphones connected? is there a red light on in the headphone port? if so, its stuck in digital audio mode... otherwise, its likely to be either a faulty with the logic board, or a possible software glitch. naturally its easier to start with the software, so try doing a clean install (on an external drive if you don't want to do one on your internal drive)
Комментарии:
Mr., how can I do a clean install? Thx!
от Ricardo
If you are running 10.7 or later, you can boot to the recovery partition by booting the machine while holding the 'Alt' key. then select the recovery partition.
If you are running 10.6, you'll have to use the original install disks that came with the machine
от Jon Ridley
Plug your headphones back in.
Play a bit of sound through them (e.g., a song), then stop the sound.
Make sure Preferences is quit.
Launch Preferences and open the Sound pane.
While the Sound pane is open and set to Headphones, pull out the headphone plug from the jack.
It will reset itself to "Internal Speakers" and you are good to go...
this should work.as it worked for me
Комментарии:
Worked perfectly
YES! Thank you!
Worked for me as well! Thanks! I was getting stressed out about it :)
от Zeynep Rice
Worked perfectly for me too! I tried doing a shortcut first, didn’t work. Followed the directions exactly as above and it worked. Thank you!
от annaleegomez
Thank you so much - tried a whole heap of things before I cam across your suggestion :) and it worked a treat!
от hallojen
Try manually deleting the following folder and doing a reboot.:
Library->Preferences: Audio
If this Answer is helpful please remember to return and mark it Accepted.
Комментарии:
This didn't help. Still no sound, thank you for the suggestion.
от Noor
did not help
I did a lot of thing for my MacBook early 2011 but finally this one fixed my audio issue. stunning work. thanks.
Репутация: 1
go to system preferences - audio - internal speakers and tick that box
mine did this today and this fixed it
За 24 часа: 31
За 7 дней: 241
За 30 дней: 1,212
За всё время: 48,301
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Look into the headphone jack - do you see a read light?
от originalmachead
i think you just need to restart the computer plug and unplug the headphone if this not work than visit http://goo.gl/RRSF7r . i hope this may help . thanks
от FRANK SCOTT