Dell PRECISION WORKSTATION 450 manual About Your Computer-Dell Precision, Front View, Back View

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About Your Computer—Dell Precision 450

Dell Precision™ Workstations 450 and 650 User's Guide

Front View

Back View

Inside Your Computer

System Board Components

Front View

1	floppy-drive light	The floppy-drive light is on when the computer reads data from or writes data to the floppy drive. Wait until this light turns off before
	button	you remove the floppy disk from the drive.
2	hard-drive 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.
3	CD/DVD drive	Access the CD or DVD drive.
4	diagnostic lights	Use the lights to help you troubleshoot a computer problem based on the diagnostic code. For more information, see "Diagnostic
	(4)	Lights."
5	USB 2.0	Use the front USB connectors for devices that you connect occasionally, such as joysticks or cameras.
	connectors (2)
		It is recommended that you use the back USB connectors for devices that typically remain connected, such as printers and keyboards.
6	headphone	Attach headphones.
	connector
7	power button	Press this button to turn on the computer.
		NOTICE: To avoid losing data, do not use the power button to turn off the computer. Instead, perform a Microsoft® Windows®
		shutdown.
8	power light	The power light illuminates and blinks or remains solid to indicate the following different states:
		No light — The computer is in the off state.
		Steady green —The computer is in a normal operating state.
		Blinking green —The computer is in a power-saving state.
		To exit from a power-saving state, 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 states and exiting from a power-saving state, see "Power Button."
		See "Diagnostic Lights" for a description of light codes that can help you troubleshoot problems with your computer.

Back View