Tool: Magic Book.
Operating system: Windows 7.
Software: system resolution.
1. First, right-click the desktop of a windows7 computer and click "Screen Resolution".
2. Then in the screen resolution page that opens, click the option box at the following location.
3. In the drop-down option, adjust the computer resolution according to your actual needs.
4. After adjusting the computer resolution, click OK to set the computer resolution.