Teach you to easily solve the problem that Win7 desktop background can not be replaced

Recently, there are users to reflect that Win7's desktop background can't be changed. The first thing that comes to mind is that the computer is poisoned. After the anti-virus is complete, the Win7 desktop background can't be changed. It may be caused by the setup problem. The author proposes three solutions to Win7 desktop. There is always a way to solve your problem with the background cannot be changed.
Win7 desktop background can not change the solution one
1, enter the easy access center in the start search box, press Enter.

2. Pull the slider to “ browse all settings”. Click “ Make your computer easier to see”.

3. Check the bottom of the window to make the content displayed on the screen easier to view. "Some of the "delete background images (if any)" is checked? If so, please clear the check.

4. Check if the wallpaper can be changed.

Win7 desktop background can not change solution two
1, use the combination key "Win R"; call out the run command box. Type regedit.exe and press Enter to open the Registry Editor.