Dell OptiPlex GX520 Quick Reference Guide - Page 9

NOTICE, CD/DVD drive - diagnostic lights

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1 CD/DVD drive 2 floppy drive 3 USB 2.0 connectors (2) 4 LAN indicator light 5 diagnostic lights 6 power button 7 power light 8 hard-drive activity light 9 headphone connector 10 microphone connector Insert a CD or DVD (if applicable) into this drive. Insert a floppy disk into this drive. Connect USB devices such as a mouse, keyboard, memory key, printer, joystick, and computer speakers into either of the USB connectors. It is recommended that you use the USB connectors on the back panel for devices that typically remain connected, such as printers and keyboards. This light indicates that a LAN (network) connection is established. Use these lights to help you troubleshoot a computer problem based on the diagnostic code. For more information, see "Diagnostic Lights" on page 32. 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. 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 31 for a description of power light patterns that can help you troubleshoot problems with your computer. This light flickers when the hard drive is in use. Use the headphone connector to attach headphones and most kinds of speakers. Use the microphone connector to attach a microphone. Quick Reference Guide 9

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Quick Reference Guide
9
1
CD/DVD drive
Insert a CD or DVD (if applicable) into this drive.
2
floppy drive
Insert a floppy disk into this drive.
3
USB 2.0 connectors (2)
Connect USB devices such as a mouse, keyboard, memory key, printer, joystick, and
computer speakers into either of the USB connectors.
It is recommended that you use the USB connectors on the back panel for devices that
typically remain connected, such as printers and keyboards.
4
LAN indicator light
This light indicates that a LAN (network) connection is established.
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 32.
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 31 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.