27" display with 2560 x 1440 pixels resolution Thunderbolt & MagSafe cable attachments

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internal speakers not working

Hi,

After listening crackling speakers, they don't work anymore.

could you help me ?

Best regards,

Alexis

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Here's the IFIXIT teardown on the display: Apple Thunderbolt Display Teardown.

This display has its own audio amp circuit which your symptoms sound like its having problems. You might try doing a good inspection of the solder joints to see if you have a cold joint. Otherwise you might think about replacing the logic board.

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