OK after you go to display properties to enable the monitors. Click on the circle in the circle on the one you want to be primary. Then go to your display properties screen.
Click on the monitor number 2 then set the resolution and color for it and check the extend windows desktop onto this monitor. Drag the 1 and 2 around to match your actual
setting. Put 2 left of 1 if your monitors are setup that way. Then if you click on the monitor 2 you can setup it's setting like increasing it's refresh rate. Mine is set 60Hz for the LCD
and 85Hz for the crt.