# Prevent startup when
# Opening lid or connecting power
sudo nvram BootPreference=%00
# Opening lid only
sudo nvram BootPreference=%01
# Connecting power only
sudo nvram BootPreference=%02
# Default
sudo nvram BootPreference
Prevent a Mac laptop from turning on when opening its lid or connecting to power ↗
MacBook Pro Mid 2010 330uf Capacitor C9560