Windows 7 has preferred help over ever for double screens. When you plug a second screen into your PC, Windows 7 distinguishes it and quickly begins utilizing it.

Windows expect you need to show a similar picture on the two screens. It endeavors to make the two screens something similar, so it changes the goal to benefit as much as possible from the lower goal screen, and afterward shows a picture to fit inside the bigger screen.

Albeit this doesn't utilize the bigger screen, it forestalls bizarre impacts on the more modest screen that may make it unusable.

Presently you can change the screen settings to utilize two presentations.

The most straightforward method for doing this is to clench hand show the work area, then, at that point, right-click it and select screen goal from the setting menu.

Screen goal isn't the most instinctive portrayal of what this order does, screen goal is just important for it. At any rate, that is the decision you select.

From here, you can handle how your double screen arrangement is utilized.

The most remarkable use is to expand the showcase over the two screens. When you become accustomed to having two screens with various windows on every, it is difficult to return.

On the off chance that you turn off the outside screen, Windows 7 promptly reconfigures the showcase to single screen support. This is an extremely decent element since it forestalls your applications on the second showcase from getting marooned where you can't see them or effectively move them to where you jars see them.

Utilizing remote admittance to a PC set up with two screens reasonably returns to single-screen support for the span of the far-off association. At the point when you sign on to the actual PC, it returns to double show.

For more info:-

Dual Monitor Stand