That monitor has a native resolution of 1366x768 which will work just fine. Your video card may not support that resolution in which case you need to replace it. It could also be that you simply need to update your video drivers.
Acording to this link your monitor will support the screen resolution of 1366x768 so if you don't have that screen resolution as an option then your video card does not support it. What do you have for a video card or are you using intergrated graphics ?