How to replace the lock screen wallpaper in win7 system?

How to replace the lock screen wallpaper in win7 system?

1. Use the shortcut key +r key to open the running dialog window and enter “regedit”Enter to confirm. As shown below

2. In the open registry editor, expand HKEY_LOCAL_MACHINE/SOFTWARE/Microsoft/Windows/CurrentVersion/Authentication/LogonUI/Background

3. Open a double-byte value named "OEMBackground" on the right (if you don't have one, you can create one yourself), and finally right-click the double-byte value and select Modify to change its value to 1. Change the value of OEMBackground. If it is 0, it means that the OEM background is not used. Only the Windows default background is used. If it is 1, it means the OEM background is used.

4. Name your favorite lock screen wallpaper as backgroundDefault.jpg into C:WindowsSystem32oobeinfobackgrounds; by default the infobackgrounds directory does not exist, we need to create these two folders ourselves, then you will like The lock screen wallpaper is placed here: C:WindowsSystem32oobeinfobackgrounds.

5. Use the combination shortcut key win key + L key to enter the lock screen interface and view the effect of your replacement lock screen wallpaper.