If you do not want to change the color of the screen, perhaps you have an image that you would like to set as the background to appear behind the logon window. Once again, the only way to set this is to use the Registry Editor to hack the default user settings which are displayed on the logon screen. To get started, follow these steps: 1. Click the Start menu and select Run. Then type regedit in the box and click OK. This will start up the Registry Editor. 2. Once the Registry Editor has loaded, you will want to expand HKEY_USERS, .DEFAULT, Control Panel, and the Desktop key. Next, you should see all of the different entries for desktop properties. The entries that you will be interested in are Wallpaper and WallpaperStyle. 3. Right-click the Wallpaper entry and select Modify. Then type in the full path to the image that you want to use on your computer. Let's assume that you want to set the nice grassy hills photo as your background. This file is located at C:\WINDOWS\Web\ ...