Dell JK523 manual Power button. Instead, perform an operating system shutdown, Guide, Computer

5USB 2.0 connectors (2) Use the USB connectors on the front of the computer for devices that you connect occasionally, such as joysticks or cameras, or for bootable USB devices.

		It is recommended that you use the USB connectors on the back of the computer
		for devices that typically remain connected, such as printers and keyboards.
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	power button	Press this button to turn on the computer.
		NOTICE: To avoid losing data, do not turn off the computer by pressing the
		power button. Instead, perform an operating system shutdown.
		NOTICE: If your operating system has ACPI enabled, when you press the power
		button the computer will perform an operating system shutdown.
8	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 — The computer is receiving electrical power, but an
		internal power problem might exist. 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
		more information about sleep modes and exiting from a power-saving mode, see
		your online User’s Guide.
		For a description of light codes that can help you troubleshoot problems with your
		computer, see "System Lights" on page 33.
9	headphone connector	Use the headphone connector to attach headphones.
10	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.

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Quick Reference Guide