How to change Screen Resolution

1)    Right click on the desktop and select Properties from the menu.

2)    After the window appears click on the tab at the top of the called Settings.

3)    The part called Screen Area is the resolution. Move the arrow back and forth to select the size you want.               Some screen resolutions do not support certain monitors and in turn may reduce the number of colors available to you.

4)    Click on Ok or Apply to accept changes.         Note: sometimes you will need to reboot to affect the changes