Dell T5400 manual Dell rotatable, Badge, See Power Lights on, Diagnostic

7	Dell rotatable	To rotate the Dell badge for tower-to-desktop conversion:
	badge	remove the front panel (see "Removing the Front Panel" in your
		User’s Guide), turn it over, and rotate the plastic handle behind
		the badge.
8	power button,	Press the power button to turn on the computer. The light in the
	power light	center of this button indicates power state. For more information,
		see "Power Lights" on page 27.
		NOTICE: To avoid losing data, do not use the power
		button to turn off the computer. Instead, perform an
		operating system shutdown.
9	headphone	Use the headphone connector to attach headphones.
	connector
10	microphone	Use the microphone connector to attach a personal computer
	connector	microphone for voice or musical input into a sound or
		telephony program.
11	network link light	The network link light is on when a good connection exists
		between a 10-Mbps, 100-Mbps, or 1000-Mbps (or 1-Gbps)
		network and the computer.
12	diagnostic	Use these lights to help you troubleshoot a computer problem
	lights (4)	based on the diagnostic code. For more information, see "Power
		Lights" on page 27.

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Quick Reference Guide