8 Setup and Quick Reference Guid ew w w . d e l l . c o m | s u p p o r t . d e l l . c o mSetting Up Your ComputerCAUTION: Before performing any of the procedures in this section, follow thesafety instructions in the System Information Guide.NOTICE: If your computer has an expansion card installed (such as a network card), connectthe appropriate cable to the card, not to the connector on the computer back panel.You must complete all steps to properly set up your computer. See the appropriate figuresthat follow the instructions.1 Connect the keyboard and mouse.NOTICE: Do not attempt to operate a PS/2 mouse and a USB mouse simultaneously.2 Connect the modem or network cable.Insert the network cable, not the phone line, into the network connector. If you havean optional modem, connect the phone line to the modem.NOTICE: Do not connect a modem cable to the network adapter. Voltage from telephonecommunications can cause damage to the network adapter.3 Connect the monitor.Align and gently insert the monitor cable to avoid bending connector pins. Tightenthe thumbscrews on the cable connectors.NOTE: Some flat-panel displays and graphic cards support Digital Visual Interface (DVI). Ifyour monitor and card have DVI connectors, Dell recommends that you use DVI instead of VGA.A second monitor is optional and requires a multimonitor graphics adapter card. Toenable dual-monitor support, both monitors must be attached when the computerstarts. See "Monitor Connections" on page 14 for more information on attaching twomonitors.4 Connect the speakers.5 Connect power cables to the computer, monitor, and devices and insert the other endsof the power cables to electrical outlets.6 Verify that the voltage selection switch is set correctly for your location.Your computer is equipped with one of the following:• A fixed-voltage power supply — Computers with a fixed-voltage power supply donot have a voltage selection switch on the back panel and operate at only onevoltage (see the regulatory label on the outside of the computer for its operatingvoltage).C0931eb0.fm Page 8 Tuesday, February 25, 2003 4:09 PM