Article ID : S500023242 / Last Modified : 11/04/2018

How to lock and unlock a Windows® XP computer?

    To lock and unlock a Windows® XP computer.

    Note: When Fast User Switching is enabled, the computer cannot be locked.

    A. How to lock the computer

    1. Press the Ctrl, Alt, Delete keys simultaneously.
    2. Click Shut Down and click Lock Computer.

    If the Ctrl, Alt, Delete keys are pressed when the Welcome window is enabled, the Windows Security dialog box appears. Click Lock Computer.

    B. How to unlock the computer

    Enter the set password and click OK.

    For more information, please refer to the following solution in Microsoft's technical support website.
    Article ID: Q294317
    Last Modified: October 18, 2001
    Title: How to Quickly Lock Your Computer and Use Other Windows Logo Shortcut Keys.