Dell DCTA manual Information, Computer off. Instead, perform an operating system shutdown

7USB 2.0 connectors (2) Use the USB connectors on the front of your computer for devices that you connect occasionally, such as flash memory keys or cameras, or for bootable USB devices (see "System Setup" in your User’s Guide for more information on booting to a USB device).

		It is recommended that you use the back USB connectors for devices that typically
		remain connected, such as printers and keyboards.
8	Dell badge rotation	To rotate the badge, place your fingers around the outside of the badge, press in,
	notch	and turn the badge. You can also rotate the badge by using the slot provided near
		the bottom of the badge.
9	power button	Press this button to turn the computer on.
		NOTE: The power button can also be used to wake the system or to place it into
		a power-saving mode. See "Power Management" in the User’s Guide for more
		information.
		NOTICE: To avoid losing data, do not use the power button to turn the
		computer off. Instead, perform an operating system shutdown.
10	power light	The power light illuminates and blinks or remains solid to indicate different 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 the 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
		more information about sleep modes and exiting from a power-saving mode, see
		"Power Management" in the User’s Guide.
		See "Diagnostic Lights" on page 37 for a description of light codes that can help
		you troubleshoot problems with your computer.
11	microphone connector	Use the microphone connector to attach a personal computer microphone for
		voice or musical input into a sound or telephony program.
12	headphone connector	Use the headphone connector to attach headphones and most kinds of speakers.
13	diagnostic lights (4)	Use the lights to help you troubleshoot a computer problem based on the
		diagnostic code. For more information, see "Diagnostic Lights" on page 37.
14	network link light	The network light is on when the computer sends or receives data over a network
		connection. The light might also be on when a network device is establishing a
		network connection.

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