Hey Guys, by this method to change logon screen in windows 7 you people need to change registry. Now just follow the simple steps:
Step 1: Open Run and type regedit and press enter.
Step 2: Now go to edit menu in click on find, and type OEMBackground and press enter.
Step 1: Open Run and type regedit and press enter.
Step 2: Now go to edit menu in click on find, and type OEMBackground and press enter.
Step 3: Double click on OEMBackground and change its value from 0 to 1.
Step 4: Open Run and type %windir%\system32\oobe, and press enter.
Step 5: Create a new folder named info, and open it. If its already there, then no need to create it.
Step 6: Create a new folder within info named backgrounds.
Step 7: Rename your desired wallpaper as backgroundDefault.jpg and place it inside the folder bagkgrounds, and images must be less than 245 KB in size.