Changing Logon screen in Windows 7

Changing logon screen in Windows 7

Step 1: Modify the registry value.
Open the registry by typing "regedit" on windows run (windows key + r).

Go to:
HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>Authentication
>LogonUI>Background

Select OEMBackground and change value to "1"

Step 2: Copying background pic
Copy the pic which you want to make as logon background to C:\Windows\System32\oobe\info\backgrounds
(Make sure the pic is less than 250kb in size.)

If the folder info/backgrounds is not there, please make it.
In case you are not able to copy the pic to the mentioned destination, try using Administrator account.
(Click here to know how to enable Administrator account).

Now when u log off of or lock you user account, you can see the logon background has changed to new one.