Dell T3400 manual Mechanical OFF, Steady green The computer is in a normal, Operating state

10	power light	The power light illuminates and blinks or remains solid
		to indicate different states:
		• No light — The computer is turned off (S4, S5, or
		mechanical OFF).
		• Steady green — The computer is in a normal
		operating state.
		• Blinking green — The computer is in a power-
		saving state (S1 or S3).
		• Blinking or solid amber — See "Power Problems" on
		page 123.
		To exit from a power-saving state, press the power
		button or use the keyboard or mouse if it is configured
		as a wake device in the Windows Device Manager. For
		more information about sleep states and exiting from a
		power-saving state, see "Power Management" on
		page 40.
		For a description of diagnostic light codes for
		troubleshooting problems with your computer, see
		"Diagnostic Lights" on page 100.
11	microphone	Use the microphone connector to attach a personal
	connector	computer microphone for voice or musical input into a
		sound or telephony program.
12	headphone connector	Use the headphone connector to attach headphones.

13diagnostic lights (4) Use the diagnostic lights to help you troubleshoot a problem with your computer (see "Diagnostic Lights" on page 100).

14 network link light	The network link light is on when a good connection
	exists between a 10-Mbps, 100-Mbps, or 1000-Mbps
	(1-Gbps) network and the computer.

About Your Computer

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