How do I set up multiple monitors on the Z420 Workstation?

Connect monitor cable adapters to the workstation (if required), then connect the appropriate monitor cables to the adapters or directly to the graphics card, followed by connecting the other ends of the graphics cables to the monitors and the monitor power cord to a grounded outlet. The process depends on your graphics card type and number of monitors needed—most HP graphics cards support at least two monitors. (Page 21)