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crwdns2934241:0crwdne2934241:0 Rashmi Kandhil

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Your MacBook Pro likely has hardware issues. The screen’s horizontal lines may be due to a worn display cable or failing T-CON board. The missing audio devices suggest an audio chip or logic board fault. Both issues together indicate possible board-level damage. Try using an external monitor and USB audio as temporary solutions. A professional repair or diagnostic is recommended to confirm and resolve the problem.

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