The macbook is used in the office. So I do not want to make it sound in the speaker. It should output sound when there is an earphone connected to it. Otherwise no sound. Is it possible to configure ...
Currently, on my Macbook Pro (OSX 10.6.5), I will often use the 'mute' button to turn the volume off, for example if I'm working at night. I may then watch a video or something, and decide to have the ...