One computer two screens Win7 dual screen one button switching

First, let's take a look at what the traditional steps are. Click the Mouse
right button on the desktop to open the "Screen Resolution" option.

Open the screen resolution setting

Click the drop-down list next to "Multiple displays", select "Expand these displays", and then click "OK" to save the settings.

Multi-display extended display

After setting up, open PPT on Win7 notebook, then drag the PPT window to the edge of the notebook display, it will run to the external display. .

The "Multiple Display" setting can be selected in the Resolution Settings window, or you can quickly switch by pressing the Windows+P shortcut.

Using shortcut keys to switch screens
Multi-monitor support is a feature in Win7 Home Premium and above. Now most notebook computers
have VGA ports, as long as the monitor Connected to the VGA port, Win7 will automatically detect the new display.