Connecting A Vga Monitor; Connecting Two Monitors - Dell OptiPlex 755 User Manual

network
3
adapter
NOTE: Do not plug a telephone cable into the network connector.
It is recommended that you use Category 5 wiring and connectors for your network. If you must use Category 3 wiring, force the
network speed to 10 Mbps to ensure reliable operation.
network The amber light flashes when the computer is transmitting or receiving network data. A high volume of network traffic may make this
4
activity light light appear to be in a steady "on" state.
line-out
5 Use the green line-out connector to attach an amplified speaker set.
connector
line-in
6 Use the blue line-in connector to attach a record/playback device such as a cassette player, CD player, or VCR.
connector
USB
7 Use the back USB connectors for devices that typically remain connected, such as printers and keyboards.
connectors (5)
serial
8 Connect a serial device, such as a handheld device, to the serial connector.
connector
If you have a DVI-compatible monitor, plug the cable from your monitor into the white DVI video connector on the back panel.
video
9
connector
If you have a VGA monitor, see
power
10 Insert the AC power adapter plug.
connector
diagnostic
11 See Diagnostic Lights
lights

Connecting a VGA Monitor

If you have a VGA monitor, plug the adapter cable into the white DVI video connector on the back panel of your computer, and connect the monitor cable to
the VGA connector on the adapter.
1 cable adapter
2 VGA connector
3 monitor cable

Connecting Two Monitors

1 cable adapter
Use the cable adapter to connect a VGA monitor and a DVI monitor to the DVI-I connector on the back panel.
When you connect two monitors, the video driver will detect this connection and activate the multimonitor functionality.
Removing the Computer Cover
Connecting a VGA Monitor.
for a description of light codes that can help you troubleshoot problems with your computer.