Dell OptiPlex GX520 - Manual (Page 12)

12
Quick Reference Guide
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3 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.
4 Dell badge The badge can be rotated to match the orientation of your computer. To rotate
the badge, place your fingers around the outside of the badge, press firmly, and
turn the badge. You can also rotate the badge using the slot provided near the
bottom of the badge.
5 power light This light turns on 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.
6 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.
7 hard-drive activity light This light flickers when the hard drive is in use.
8 headphone connector Use the headphone connector to attach headphones and most kinds of speakers.
9 microphone connector Use the microphone connector to attach a microphone.
10 floppy drive Insert a floppy disk into this drive.
11 CD/DVD drive Insert a CD or DVD (if applicable) into this drive.