New answers tagged startup
The system was good, the motherboard over, Apple changed it.
Maybe it was an SMC reset: Resetting the SMC on portables with a battery you should not remove on your own Note: Portable computers that have a battery you should not remove on your own include MacBook Pro (Early 2009) and later, all models of MacBook Air, and MacBook (Late 2009). Shut down the computer. Plug in the MagSafe power adapter ...
If you keep your volume off when you shut down your mac/laptop it wont make the sound when you start it up again! I don't know if this is true but its what my laptop does :)! Hope this helps!
Top 50 recent answers are included