What should I do if the Win7 screen is over?

Our computer screens are generally square, but sometimes we encounter a situation where our computer screen is traversed, just like a mobile phone. Recently, users of the Win7 system have encountered such a situation, and suddenly the computer screen is traversed. What is the situation? How to solve such a problem? Now let's talk about how to solve the Win7 computer screen.

The steps are as follows:

1. Today, I don't know what button I pressed, and the screen becomes like this.

2, okay, I found this way. We right click on the desktop.

3. Click to open the screen resolution.

4. Click on the display screen.

5, the original is the vertical can be changed to the horizontal.