User's Manual

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 Desktop Computer
Dell™OptiPlex™210L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
hard-drive
activity light
This light flickers when the hard drive is being accessed.
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
headphone
connector
Use the headphone connector to attach headphones and most kinds of
speakers.
8
floppy drive
Insert a floppy disk into this drive.
9
CD/DVD drive
Insert a CD or DVD (if applicable) into this drive.