Dell 320 Desktop Computer Back View, Steady green The computer is in a normal operating state

5	power light		The power light illuminates and blinks or remains solid to indicate different
			operating states:
			• No light — The computer is turned off.
			• Steady green — The computer is in a normal operating state.
			• Blinking green — The computer is in a power-saving mode.
			• Blinking or solid amber — See "Power Problems" in your online User’s Guide.
			To exit from a power-saving mode, press the power button or use the keyboard or
			the mouse if it is configured as a wake device in the Windows Device Manager.
			For a description of light codes that can help you troubleshoot problems with your
			computer see "System Lights" on page 33.
6	diagnostic lights		Use the lights to help you troubleshoot a computer problem based on the
			diagnostic code. For more information, see "Diagnostic Lights" on page 34.
7	link integrity light		• Green — A good connection exists between a 10-Mbps network and the
			computer.
			• Orange — A good connection exists between a 100-Mbps network and the
			computer.
			• Off — The computer is not detecting a physical connection to the network.
8	headphone connector		Use the headphone connector to attach headphones.
9	floppy drive		Insert a floppy disk into this drive.
10	CD/DVD drive		Insert a CD or DVD (if supported) into this drive.
11 location of Service Tag			Use the Service Tag to identify your computer when you access the Dell Support
			website or call technical support.
Desktop Computer — Back View
1	2	3		4	5	6

1	card slots	Access connectors for any installed PCI and PCI Express Cards.
2	back-panel connectors	Plug serial, USB, and other devices into the appropriate connector.
		See "Desktop Computer — Back-Panel Connectors" on page 18.
3	power connector	Insert the power cable into this connector.

Quick Reference Guide

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