Dell 200 owner manual Power button, Power light Light in the center of this button indicates

13	power button,	Press the power button to turn on the computer.
	power light	The light in the center of this button indicates
		power state. See "Controls and Lights" on page 172
		for more information.
		NOTICE: To avoid losing data, do not use the
		power button to turn off the computer. Instead,
		perform an operating system shutdown.
14	drive activity light	The drive activity 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 a

CD player is operating.

Setting Up and Using Your Computer

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