How to modify the background image of Win7 boot login interface?

First, the problem description:

How to modify the landing background image of the win7 login system?

Second, the solution:

1, prepare the picture:

Convert the image format that needs to be the image to .jpg, the file size is controlled within 250KB (otherwise it may not display properly), be sure to adjust the image resolution to the resolution of the current display, and name the image "“backgroundDefault." Jpg & rdquo;

2, open the registry editor regedit: can <; start & rdquo; & agrave; & ldquo; run & rdquo; & agrave; input & ldquo; regedit & rdquo; & agrave; & ldquo; determine & rdquo; & agrave; start registry editing Device.

3, expand to:

[HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionAuthenticationLogonUIBackground]à create a new double-byte value on the right side “OEMBackground” (if this byte does not exist) à right click on the double word Section Value à“Modify”àChange the key value to “1”.

4, under Microsoft system

“My computer”à“C:WindowsSystem32oobe”àCreate a folder named "info" in this directory And open à in the open directory a create a folder named “backgrounds” à copy the prepared “backgroundDefault.jpg” picture to this bit (ie C:WindowsSystem32oobeinfobackgrounds)

&ldquo My computer ”à“C:WindowsSystem32oobeinfobackgrounds”, overwrite the existing file with the prepared “backgroundDefault.jpg”

5. Restart the computer and it will be OK.