No Sound Out put In MBP A1278
My MBP 13" A1278
having no sound output from speaker if i connect headset hissing sound is coming from headset
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Your jack or audio board is damaged. This is not a DIY repairable project. As a work around purchase a USB voice quality headset and microphone. USB audio is separate from analog.
If this Answer is helpful please remember to return and mark it Accepted.
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Hi Thanks for the nice and prompt support, just now i replaced sound jack and found red led glow inside of sound output jack. headset sound is almost ok but out put is not coming from speakers.
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Check your Sound control panel settings also check your WiFi & Bluetooth settings to see if you have an external speaker set. If these are all correctly set then your only left with the headphone socket as being broken.
You can try using a toothpick to move the switch contacts inside using a magnifying glass to see what your doing.
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Hi Thanks for the nice and prompt support, just now i replaced sound jack and found red led glow inside of sound output jack. headset sound is almost ok but out put is not coming from speakers.
Then you have a bad socket switch or if you replaced the socket (desoldered it) then you have sorted something on the logic board.
