Dell Precision NX046 User Manual page 20

5 IEEE 1394 connector
(optional)
6 USB 2.0 connectors (2) Use the front USB connectors for devices that you
7 Dell™ rotatable badge
8 power button,
power light
9 headphone connector
10 microphone connector Use the microphone connector to attach a personal
11 network link light
12 diagnostic lights (4)
20
About Your Computer
Use the optional IEEE 1394 connector for high-speed
data devices such as digital video cameras and external
storage devices.
connect occasionally, such as flash memory keys or
cameras, or for bootable USB devices (see "System
Setup" on page 89 for more information on booting to a
USB device).
It is recommended that you use the back USB
connectors for devices that typically remain connected,
such as printers and keyboards.
To rotate the Dell badge for tower-to-desktop
conversion: remove the front panel (see "Removing the
Computer Cover" on page 153), turn it over, and rotate the
plastic handle behind the badge.
Press the power button to turn on the computer. The light
in the center of this button indicates power state. See
"Controls and Lights" on page 40 for more information.
NOTICE:
To avoid losing data, do not use the
power button to turn off the computer. Instead,
perform an operating system shutdown.
Use the headphone connector to attach headphones.
computer microphone for voice or musical input into a
sound or telephony program.
The network link light is on when a good connection
exists between a 10-Mbps, 100-Mbps, or 1000-Mbps (or
1-Gbps) network and the computer.
Use these lights to help you troubleshoot a computer
problem based on the diagnostic code. For more
information, see "Diagnostic Lights" on page 121.