Customize the Windows 7 log-on screen

Windows 7 makes it easy changing the Windows log-on screen.

1.  Go to start, and click on Run, type Regedit & press enter there.
2.  Navigate to :
rsion\Authentication\ LogonUI\Background

3.  Double-click the OEMBackground DWORD key

4.  Set value of the key to 1.
5.  Select a background image for Log on Screen with size less than

     256KB in size.
6.  Copy that image into the
     C:\Windows\system32\oobe\info\backgrounds folder  (create if doesn't exist)
7.  Rename the image to backgroundDefault.jpg
8.  Reboot, and now your logon Image would have changed.