How to change the background of user name when the computer is turned on?

1: press win +R, enter regedit in the input box of the opened window, and click OK to open the registry editor.

2. In the registry, change the value of OEMBackground in HKEY _ local _ machine \ software \ Microsoft \ Windows \ current version \ authentication \ login ui \ background directory to "1".

3. open the directory c:/windows/system32/oobe/info/backgrounds. If there is no directory/information/background under the OOBE folder, create one yourself.

4. Name the picture of the new startup screen backgroundDefault.jpg and put it in the background folder.

5. press win +L to see the effect. The locked desktop background will be a new picture. After restarting the computer, you can intuitively see the modified boot screen.

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