Dell OptiPlex GX520, User Manual

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Desktop Computer
Dell™ OptiPlex™ GX520 User's Guide
About Your Desktop Computer
Inside Your Computer
About Your Desktop Computer
Front View
1 USB 2.0
connectors
(2) Use the USB connectors on the front of the computer for devices that you
connect occasionally, such as joysticks or cameras, or for bootable USB
devices (see "
System Setup " for more information about booting to a
USB device).
It is recommended that you use the USB connectors on the back panel
for devices that typically remain connected, such as printers and
keyboards.
2 LAN indicator
light This light indicates that a LAN (network) connection is established.
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 This 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 The power light illuminates and blinks or remains solid to indicate
different operating states:
l
No light — The computer is turned off.
l
Steady green — The computer is in a normal operating state.
l
Blinking green — The computer is in a power-saving mode.
l
Blinking or solid amber — See " Power Problems ."
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 ."
See" System Lights " for a description of light codes that can help you
troubleshoot problems with your computer.
6 diagnostic
lights Use the lights to help you troubleshoot a computer problem based on
the diagnostic code. For more information, see "
Diagnostic Lights ."
7 hard-drive
activity light This light flickers when the hard drive is being accessed.
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.