Solution to wallpaper failure in Windows 7 system

1. Right-click the blank area on the desktop;

2. Click "personalization" in the pop-up menu, as shown in the following figure;

3. In the pop-up desktop, click "desktop background". The effect is as follows;

4. Then we can find the picture of the background pattern for the computer desk, pull the slide on the right side, and pull it to the bottom;

5. Click center in the drop-down menu ".

Of course, if the wallpaper is not large enough to be centered, the border may be blank, so we must select a bigger wallpaper.