Dell K8504 manual Before You Begin, Guide

3	network adapter	Attach the UTP cable to an RJ45 jack wall plate or to an RJ45 port on a UTP
	connector	concentrator or hub, and press the other end of the UTP cable into the network adapter
		connector until the cable snaps securely into place.
		It is recommended that you use Category 5 wiring and connectors for networks.
4	network activity light	The amber light flashes when the computer is transmitting or receiving network data. A
		high volume of network traffic may make this light appear to be in a steady "on" state.
5	line-out connector	Use the green line-out connector to attach an amplified speaker set.
6	line-in connector	Use the blue line-in connector to attach a record/playback device such as a cassette
		player, CD player, or VCR.
7	USB connectors (5)	Connect USB devices such as a mouse, keyboard, printer, joystick, and computer
		speakers into any of the USB connectors.
8	serial connector	Connect a serial device, such as a handheld device, to the serial connector.
9	video connector	If 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" in your online User’s
		Guide.
10	power connector	Connect the power cable to this connector.
11	diagnostic lights	See "Diagnostic Lights" on page 36 for a description of light codes that can help you
		troubleshoot problems with your computer.

Removing the Computer Cover

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before removing the cover.

Before You Begin

NOTICE: To avoid losing data, save and close any open files and exit any open programs before you turn off your computer.

1Shut down the operating system:

a Save and close any open files, exit any open programs, click the Start button, and then click Turn Off Computer.

b In the Turn off computer window, click Turn off.

The computer turns off after the operating system shutdown process finishes.

2Ensure that the computer and any attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut down your operating system, turn them off now.

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Quick Reference Guide