How to Change Windows 7 Logon Background Image Manually

Windows 7 makes it possible to change the welcome screen that appears when you start your computer without any third-party software, but this setting is well hidden. You can set any image you like as your background. All you have to do is change a single registry value and put an image file in the correct location.

How to Change Windows 7 Logon Background Image Manually

  1. Go to Start >> Run and type regedit and click OK. Now Registry Editor open in a pop up window
  2. Now Navigate to HKEY_LOCAL_MACHINE >> SOFTWARE >> Microsoft >> Windows >> CurrentVersion >> Authentica​tion >> LogonUI >> Background.
  3. Now you will see OEMBackground value if its not there create one by right click and choose New > DWORD Value, and rename it too OEMBackground.
  4. Now double click on the OEMBackground value and replace 0 with 1.

    Note that selecting a new theme will change the value of the key to the value stored in the theme’s .ini file, which is probably 0 – if you change your theme, you’ll have to perform this registry tweak again.
  5. Now close the registry and navigate to C: >> Windows >> System32 >> oobe.
  6. Create a new folder name it as "info" and create sub folder in it and name it as "backgrounds"
  7. Add your desired wallpaper in this folder and rename it as backgrounddefault.jpg, make sure that images must be less than 245KB in size.