Dell OptiPlex GX620 User Manual

Page 9

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Quick Reference Guide

9

5

diagnostic lights

Use these lights to help you troubleshoot a computer problem based on the diagnostic
code. For more information, see "Diagnostic Lights" on page 36.

6

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 for 6 seconds or longer. 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.

7

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 — 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 "Power
Management" in your online

User’s Guide.

See "System Lights" on page 35 for a description of power light patterns that can help
you troubleshoot problems with your computer.

8

hard-drive activity light

This light flickers when the hard drive is in use.

9

headphone connector

Use the headphone connector to attach headphones and most kinds of speakers.

10

microphone connector

Use the microphone connector to attach a microphone.

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