Dell OptiPlex GX620 Manuel d'utilisateur télécharger pdf (Page 9)

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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Dell OptiPlex GX620 Manuel d'utilisateur Page 9