Mystery... No sound!... O/I card? Speakers? Logic board?My MBP 4,1 (model A1260) stopped making sounds suddenly... I've read hundreds of posts on the internet but nothing seems to h...
Answer to: Mystery... No sound!... O/I card? Speakers? Logic board?Finally I brought my laptop to an apple store. It turns out the problem was my I/O board. I paid for the replacement and everything is back to normal. Thanks everyone for helping me!!