What should I do if my desktop background turns black in Windows 7?

The solution to the problem that the win7 desktop background turns black is: first click Start, search for cmd, and open the cmd.exe program; then execute the [SLMGR -REARM] command; finally click Start, Shut Down, and Restart in sequence. .

#The operating environment of this article: windows10 system, thinkpad t480 computer.

The solution is as follows:

First click the "Start" button and find the search box in the start menu;

Then, in the search Enter: CMD in the box, and then click the "CMD.exe" program;

At this time, enter the DOS editing window, in which you can find the flashing "cursor";

At the "cursor", enter: SLMGR -REARM;

Finally, click the "Start" button→ Shut down/restart and the desktop will return to its original background.

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