Turn On the toggle switch next to the “ Show the lock screen background picture on the sign-in screen” option. On the right side pane, scroll down and then click on the Lock screen tab. Once the Settings app is opened, click on the Personalization category from the left side pane. If the Settings app is not opening or crashing, you can quickly fix it by resetting it. Open the Settings app by pressing Windows + I keys simultaneously from the keyboard or any other method.
How to Change Login Screen and Lock Screen Background in Windows 11? However, the login screen and lock screen can be configured simultaneously in Settings under the Lock screen. After that, click anywhere on the Lock Screen to see the login or sign-in screen. You can also reach to lock screen by pressing the Windows + L keys from the keyboard. The login screen or sign-in screen is the screen you see when your PC turns on and asks for your password or PIN. On Windows 11, the login screen and lock screen backgrounds are separate from the desktop background.