Resolved Booting Up With Mac

[chattahoochee]

I have duel booting on my MacBook, When booting up, the Windows OS comes up. How do I change it so Mac boots up ?

 

[simsaladimbamba]

Hold down the OPTION/Alt key after the startup sound chimes, then select "Macintosh HD".
In Mac OS X, go to System Preferences > Startup Disk* to select Mac OS X as standard booting system.

To learn more about Mac OS X: Helpful Information for Any Mac User by GGJstudios​