Connecting a VGA MonitorIf you have a VGA monitor, plug the adapter cable into the white DVI display connector and connect the monitor cable to the adapter.Connecting Two MonitorsUse 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 driver will detect this connection and activate the multimonitor functionality.Inside Your Computer6 line-inconnector Use the blue line-in connector to attach a record/playback device such as a cassette player, CD player, or VCR.7 USBconnectors (5) Connect USB devices such as a mouse, keyboard, printer, joystick, and computer speakers into any of the USB connectors.8 serialconnector Connect a serial device, such as a handheld device, to the serial connector.9 videoconnectorIf you have a DVI-compatible monitor, plug the cable from your monitor into the white connector on the back panel.If you have a VGA monitor, see "Connecting a VGA Monitor."10 powerconnector The connector for the power adapter.11 diagnosticlights See "Diagnostic Lights" for a description of light codes that can help you troubleshoot problems with your computer.1 adapter cable1 cable adapterCAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.CAUTION: To avoid electrical shock, always unplug your computer from the power adapter before removing the cover.NOTICE: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of yourcomputer's electronic components. You can do so by touching an unpainted metal surface on the computer chassis.