About Your Computer: Dell XPS 400 Service Manual
file:///T|/htdocs/systems/xps400/sm/about.htm[8/3/2012 3:11:06 PM]
connector
(optional)
digital video cameras and external storage devices.
7
vents
For adequate cooling, do not block any of the vents.
NOTICE:
Do not use the vents as handles; doing so may result in damage to
your computer. Also, ensure that there is a minimum of two inches of space
between all vents and any object near these vents.
8
USB 2.0
connectors
(2)
Use the front USB connectors for devices that you connect occasionally, such
as joysticks or cameras. It is recommended that you use the back USB
connectors for devices that typically remain connected, such as printers,
keyboards, and mice, or for bootable USB devices, which may not function
properly if attached to the front connectors.
9
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.
10 hard-drive
activity
light
The hard drive activity light is on when the computer reads data from or
writes data to the hard drive. The light might also be on when a device such
as a CD player is operating.
11 diagnostic
lights (4)
Use the lights to help you troubleshoot a computer problem based on the
diagnostic code. For more information, see "
Diagnostic Lights
."
12 headphone
connector
Use the headphone connector to attach headphones.
13 microphone
connector
Use the microphone connector to attach a personal computer microphone for
voice or musical input into a sound or telephony program.
14 Service
Tag
Used to identify your computer when you access the Dell Support website or
call technical support.
Back View of the Computer
