How to Lock Your Computer

Manually locking your computer

Several methods are available for manually locking your computer:

Method 1
To immediately lock your computer, simultaneously press the Windows logo key (typically beside the Spacebar) and the l key (the letter L).

Method 2
Press Ctrl-Alt-Del, and then click Lock this computer or Lock Computer.

Locking your computer through the screen saver

To set up your screen saver to automatically lock your computer:

Windows 7 and Vista

  • Right-click the desktop, and then select Personalize. In earlier versions, right-click the desktop, and then select Properties.

Windows Vista

  • In Windows Vista, the Personalization window will be open. Select Screen Saver.

Windows XP

  • The Display Properties window will be open. Select the Screen Saver tab.
    1. From the drop-down list, select a screen saver file.
    2. In the "Wait:" field, set the amount of time you want the screen saver to wait for activity before starting.
    3. Depending on your version of Windows, check the appropriate box:
      • On resume, display logon screen
      • On resume, password protect
      • Password protected
      Click OK. From now on, when the screen saver comes on, your workstation will be locked.