Dell U2913WM - page 34

NOTE: In most cases, Auto Adjust produces the best image for your configuration.
NOTE: Auto Adjust option is only available when you are using the analog (VGA) connector.
Input Source Use the Input Source menu to select between different video signals that may be connected to your monitor.
VGA Select VGA input when you are using the analog (VGA) connector. Press the to select the VGA input source.
DVI-D Select DVI-D input when you are using the Digital (DVI) connector. Press the to select the DVI input source.
DisplayPort Select DisplayPort input when you are using the DisplayPort (DP) connector. Press the to select the DisplayPort input source.