Go to Display Control Panel. A shortcut for this is right-click desktop left-click properties.
Go to settings tab. Adjust your resolution here. If you still can't:
Click advanced. You will get to video card settings.
Go to monitor tab.
Uncheck "Hide Modes This Monitor Cannot Display"
Adjust your resolution.
This is not the best fix in the world but it is at least something. Your monitor driver is messed up. Look at your monitor, get the manufacturer and model number, and go to the manufacturer's website to see if there is a driver available. If there is one, install it.