How does Win7 change the background image when switching on and off

Win7 users want to change the background image, but don't know how to do it. In fact, we can change the background image of the switch by modifying the registry.

The method is as follows:

1. Press Win+R to open the run, enter “regedit”, click OK;

2. Open the registry editor In the window page, expand to HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionAuthenticationLogonUIBackground;

3, find and double-click to open OEMBackground, modify the value data to 1;

4, enter C: WindowsSystem32oobeinfobackgrounds directory, no new folder, Put the image in this directory and name the image backgroundDefault.

Note that the image format is jpg, it is best not to exceed 250KB;

5, click Shutdown or restart, you can see the effect of the change.