No sound on my Macbook... no internal speakers listed in Sound preferences
I have no sound on my Macbook. No internal speakers listed in the sound Preferences in Output.
MacBook
Question marked as
Have you had any thing plugged into the headphone port recently?
Have you done a PRAM reset, CMD+Option+p+r...
http://support.apple.com/kb/HT1379
In fact, do 3 in a row, takes a bit of time.
Intel-based Macs: Resetting the System Management Controller (SMC)...