Change Screen Saver in the Log On Screen

You already know how to change the Windows screen saver. The question, is  change the screen saver will replace the desktop screen saver also in the welcome screen? Apparently not. The selected wallpaper will still use the Windows standard format.
In the default situation, when there is no one who logon to the computer in 10 minutes, the screen will be replaced with the logon screen saver image of the Windows logo. Screen saver Windows logo image can be replaced.

Unfortunately the GUI is not available to change it easily. You must follow the following steps if you want to change the screen saver on the welcome screen.
1. Click Start and then type regedt32.exe.
2. Go to HKEY_USERS key sub-.DEFAULT-Control Panel-Desktop.
3. Look for String Value named ScreenSaveActive, make sure value data is worth 1.
4. Then search SCRNSAVE.EXE String Value in the right-hand window.
5. Double-click the entry to change the value data.
6. In the default condition, SCRNSAVE.EXE value of this data is logon.scr. Change this value with the data files screen savers, for example ssmyst.scr or other screen saver that you have.
7. Click OK, then close the Registry Editor and restart the PC.