I have done to deploy the image for client PC without domain join but look like the wallpaper always show a message "This computer is finalizing the setup process....." with white background. How I can remote restore it to default wallpaper?

Thank you.

I have done to deploy the image for client PC without domain join but look like the wallpaper always show a message "This computer is finalizing the setup process....." with white background. How I can remote restore it to default wallpaper?

Thank you.