Don't start
The following support document makes life so much better for MacBook owners. Prevent a Mac laptop from turning on when opening its lid or connecting to power on apple.com To prevent startup when opening the lid or connecting to power: sudo nvram BootPreference=%00 To prevent startup only when opening the lid: sudo nvram BootPreference=%01 To prevent startup only when connecting to power: sudo nvram BootPreference=%02 ...