How to Change monitor resolution in Windows 7
You can customize and select your preferred monitor settings to improve the clarity of your monitor display. First open the start menu and go to the Control panel. In the Control Panel select the Display link. In the Display option window to the right hand side there are a few options available. Select the screen resolution option from them. Now there are many options present in there like Display, resolution, orientation etc., Using the display option you can select the monitor you want to make changes to if you are using a dual display system. Next in the drop down box next to resolution there are many display options that are compatible with your monitor. Select the option that makes your display convenient and save the changes. This video shows how to change the monitor resolution in Windows 7.