Front View (Desktop Orientation); Back View (Desktop Orientation) - Dell Precision 490 Desktop User Manual

Front View (Desktop Orientation)
1 upper 5.25- Holds a CD/DVD drive.
inch drive bay
2 lower 5.25-inch You can use the bay for an optional CD/DVD drive or a SATA hard drive.
drive bay
3 FlexBay You can use the bay for a floppy drive or a Media Card Reader.
4 IEEE 1394 Use the optional IEEE 1394 connector for high-speed data devices such
connector as digital video cameras and external storage devices.
(optional)
5 USB 2.0 Use the front USB connectors for devices that you connect occasionally,
connectors (2) such as flash memory keys or cameras, or for bootable USB devices
(see System Setup
It is recommended that you use the back USB connectors for devices
that typically remain connected, such as printers and keyboards.
6 hard-drive The hard drive light is on when the computer reads data from or writes
activity light data to the hard drive. The light might also be on when a device such
as your CD player is operating.
7 Dell™ rotatable To rotate the Dell badge for tower-to-desktop conversion: remove the
badge front panel (see
plastic handle behind the badge.
8 power button Press to turn on the computer.
NOTICE: To avoid losing data, do not use the power button to turn off
the computer. Instead, perform an operating system shutdown.
NOTE: The power button can also be used to wake the computer or to
place it into a power-saving state. See
information.
9 power light The power light illuminates and blinks or remains solid to indicate
different states:
¡
¡
¡
¡
To exit from a power-saving state, 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 states and
exiting from a power-saving state, see
See Diagnostic Lights
troubleshoot problems with your computer.
10 headphone Use the headphone connector to attach headphones.
connector
11 microphone Use the microphone connector to attach a personal computer
connector microphone for voice or musical input into a sound or telephony
program.
12 network link The network link light is on when a good connection exists between a
light 10-Mbps, 100-Mbps, or 1000-Mbps (or 1-Gbps) network and the
computer.
13 diagnostic Use these lights to help you troubleshoot a computer problem based
lights (4) on the diagnostic code. For more information, see
Back View (Desktop Orientation)
for more information on booting to a USB device).
Removing the Front Panel), turn it over, and rotate the
Power Management
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 state.
Blinking or solid amber — See Power
Power Management.
for a description of light codes that can help you
for more
Problems.
Diagnostic Lights.