How would you find out what video card you have?

How do I know which video card I have? Im trying to get geforce 2 MX, but I want to make sure if I have it or not before I go buy it.|||for windows type this into run dxdiag then go to display tab|||Click on Start, Control Panel, Device Manager, then Display Adapters. That'll show you the make model of your graphics card.|||http://www.cpuid.com/softwares/cpu-z.html