DELL E2014T User Manual

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  Appendix 
Display Styles For Multiple Monitors
After connecting external monitors, you can choose to duplicate, extend, or use only 
one of the monitors.
Duplicate displays
This option shows the same content on all monitors. The resolution of all monitors is 
set to match the monitor with the minimum resolution.
Windows Vista
[DUPLICATE NOT AVAILABLE]
Windows 7
Windows 8 / Windows 8.1