I need to prevent others using my desktop or laptop while I'm away from it. How do I lock my Laptop (Macbook or Macbook pro) / desktop using Mac OS X operating systems without using 3rd party applications?
You can lock your screen with password. First, you need to lock your computer screen:
- Open System Preferences, and then click Security.
- Select "Require password after sleep or screen saver begins."
Keyboard Shortcut To Lock Your Desktop Screen
To put screen to sleep press [CTRL] + [Shift] + [Eject].
Menubar Shortcut To Lock Your Desktop Screen
Open Applications > Utilities > Keychain Access > Preferences >Select "Status in Menu Bar".
To lock screen click on Menubar lock symbol > Select "Lock screen"