You can simply mute your microphone with Audio-MIDI-Setup.app on Mac OS.<p>Nevertheless when you start Skype it automatically reactives the microphone.<p>Who has the best solution to disable a MacBooks Mic? Best solution would be a hardware switch ;)
<a href="http://apple.stackexchange.com/q/73190/24026" rel="nofollow">http://apple.stackexchange.com/q/73190/24026</a> but I don't know if this will be the best solution
Also pade 120 of this Pdf is reported to work<p><a href="http://images.apple.com/support/security/guides/docs/Leopard_Security_Config_2nd_Ed.pdf" rel="nofollow">http://images.apple.com/support/security/guides/docs/Leopard...</a>
I don't know if it's worth 2.99 but this will absolve your ailments I believe.<p><a href="http://mac.softpedia.com/get/System-Utilities/iMute.shtml" rel="nofollow">http://mac.softpedia.com/get/System-Utilities/iMute.shtml</a>