how to change a blue screen that is in the background for wallpaper
1 How to set an image on your computer as your desktop background. 2  Click Browse... 3  button, which opens the Browse window. 4  Navigate to the image that you want to use as your desktop background in the Browse window. 5  Select it, and click Open.. Click the tab called Desktop in Display Properties. 4. Select your desktop background from the tab. 1  How to set an image that came with Windows as your desktop background. 2  Underneath Background in the tab, click the picture you want as your wallpaper.