Dell Monitor Stand MKS14 - Manual (Page 15)

To extend the Windows desktop, click Multiple displays tab, and then select
Extend these displays.
- or -
To mirror the primary monitor, click Multiple displays tab, and then select
Duplicate these displays.
Using the software
Using DisplayLink
Use DisplayLink to configure the display of an extra monitor:
In the notification area, click the DisplayLink icon, and select
Displaylink Manager.
Standby, Sleep, Hibernation, Shutdown, and Re-start
If the computer connected to the docking stand initiates Standby or the
Sleep state or Hibernation, the monitor turns off. When the computer exits
Standby, Sleep, or Hibernation, the connected monitor returns to the previous
monitor settings.
If the computer is re-started or shut down and then turned back on, the
connected monitor returns to the previous monitor settings.
12 
Using the software
By default, Display 1 is the Mobile PC Display. Display 2 and Display 3 are
extended monitors.
Resolution and Orientation of each display may be adjusted by selecting
the respective tabs accordingly.