How to Change The Logon Background Image In Windows 7

 
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1. Press Win+R key and Type Regedit at run prompt

2. Locate following registry key

HKLMSoftwareMicrosoftWindowsCurrentVersionAuthenticationLogonUIBackground

3. Now in right-side pane, change value of OEMBackground to 1.

4. Now place your custom image in %windir%system32oobe

5. Create a new folder info and background within newly created info folder

Folder path should look like this %windir%System32oobeinfobackgrounds

6. Now place your desired logon wallpaper within this background folder with file name as backgroundDefault.jpg

Images Name with resolutions

backgroundDefault.jpg

background768×1280.jpg (0.6)

background900×1440.jpg (0.625)

background960×1280.jpg (0.75)

background1024×1280.jpg (0.8)

background1280×1024.jpg (1.25)

background1024×768.jpg (1.33-)

background1280×960.jpg (1.33-)

background1600×1200.jpg (1.33-)

background1440×900.jpg (1.6)

background1920×1200.jpg (1.6)

background1280×768.jpg (1.66-)

background1360×768.jpg (1.770833-)

Please NOTE: Images must be less than 256kb in size

The backgroundDefault.jpg image is loaded and stretched-to-fit when a resolution/ratio specific background cannot be found.

Author: Jas Dhaliwal

Jas Dhaliwal is a highly experienced International Social Media Strategist. He specializes in building and engaging with social communities across the web. Born and bred in London, he is passionate about technology and social anthropology. You can follow @Jas on Twitter