crwdns2934241:0crwdne2934241:0 zionthelion73

crwdns2934249:0crwdne2934249:0:

Sounds like a software problem.

Does the Sound Preference Panel open up correctly?

Is the mute function enabled or not? How's the Speaker Icon in the menu bar on the top-right?

Can you boot with an external HD with an another version of your system and check if it works correctly?

crwdns2915684:0crwdne2915684:0:

open