To Lock Your Screen

To lock the screen, perform one of the following actions:

• Click Launch, then choose Lock Screen.

• If the Lock button is present on a panel, click on the Lock button.

  To add the Lock button to a panel, right-click on the panel. Choose Add to Panel -> Actions -> Lock.

When you lock your screen, the screensaver starts. To unlock the screen, move your mouse to display the locked-screen dialog. Enter your username and password in the locked-screen dialog, then press Return.

To lock your screen correctly, you must have a screensaver enabled.