Win7 How to change the background picture on the switch machine

Win7 users want to change a background picture, but do not know how to operate. In fact, we can change the background image of the switch machine by modifying the registry.

The method is as follows:

1, press Win+r key, open run, enter "regedit", click OK;

2, in the Open Registry Editor window page, expand to Hkey_local_machinesoftwaremicrosoftwindowscurrentversionauthenticationlogonuibackground in turn ;

3, find and double hit Open oembackground, the numerical data modified to 1;

4, into the C:windowssystem32oobeinfobackgrounds directory, did not create a new folder, the picture placed in the directory, and the picture named Backgrounddefault.

Note that the image format is JPG, preferably not more than 250KB;

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