How to change Welcome/Logon screen background without the use of any other app/software?

Now you can change Welcome/logon screen’s background in Windows 7 and its supported officially. Microsoft has been made a change to customize or ability to load JPG images as background of the welcome/logon screen without using any third party software.

Although the functionality was designed for ease of OEMs to set their own backgrounds to Welcome/logon screen. It can be done by changing few registry settings and you can set your own background.

How to-

  1. Run Registry Editor and navigate to:HKLMSoftwareMicrosoftWindowsCurrentVersionAuthenticationLogonUIBackground
  2. Now create a DWORD value called OEMBackground and set it to 1
  3. Now copy your image file (JPG file) into %windir%system32oobeinfobackgrounds and rename it tobackgroundDefault.jpg (By default info & backgrounds folders don’t exist, so create them.)

NOTE: Image must be less than 256kb in size.

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