Dell G7279, MTC2, DMC manual Computer. Instead, perform an operating system shutdown

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1	CD or DVD drive	The drive activity light is on when the computer reads data from the CD or DVD
	activity light	drive.
2	CD or DVD eject button	Press to eject your CD from the CD or DVD drive.
3	floppy-drive eject button	Press to eject a disk from the floppy drive.
		(On computers with an optional floppy drive.)
4	hard-drive activity light	The hard-drive light is on when the computer reads data from or writes data to the
		hard drive. The light might also be on when a device such as your CD player is
		operating.
5	headphone connector	Use the headphone connector to attach headphones and most speakers for
		listening to all sounds in your computer, including your CD player and system
		sounds such as beeps.

6USB 2.0 connectors (2) Use the front USB connectors for devices that you connect occasionally, such as joysticks or cameras.

		It is recommended that you use the back USB connectors for devices that typically
		remain connected, such as printers and keyboards.
7	power button	Press to turn on the computer.
		NOTICE: To avoid losing data, do not use the power button to turn off the
		computer. Instead, perform an operating system shutdown.
8	power light	The power light illuminates and blinks or remains solid to indicate different states.
		For more information, see page 32.
9	floppy-drive activity	The floppy-drive light is on when the computer reads data from or writes data to
	light	the floppy drive. Wait until this light turns off before you remove the floppy disk
		from the drive.
		(On computers with an optional floppy drive.)
10	CD or DVD volume	Move the dial to adjust the volume of your CD or DVD disc.
	control dial
11	CD or DVD headphone	Use the headphone connector to attach headphones to the CD or DVD drive.
	connector	Your headphones will not work if the drive is operating in digital mode. To disable
		digital mode, see "No sound from headphones" on page 36.
12	Service Tag	The tag is used to identify your computer when you access the Dell Support
		website or call technical support.

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