To re-enable the lock screen in Windows 10, repeat these directions, but choose Disabled at the last step. If you edited the registry to make the change, you can delete the value you added.

If Lock Screen Timeout is not working on your Windows 11/10 device, make these changes in Registry or Group Policy Editor and see if it helps.

Change the settings of your desktop background slideshow, screensaver slideshow, or lock screen slideshow on Windows 11/10 using these steps.