Dell OptiPlex 330 (Late 2007) - Manual (Page 25)

Quick Reference Guide
25
Connecting One Monitor With a VGA Connector and One Monitor With a DVI
Connector
1 Shutdown your system.
2 Connect the VGA connector on the monitor to the VGA (blue) connector
on the back of the computer.
3 Connect the DVI connector on the other monitor to the DVI (white)
connector on the back of the computer.
4 Restart your system.
1 optional DVI adapter 2 DVI (white) connector
3 TV-OUT connector 4 VGA (blue) connector
1
2 3 4