Dell XPS One A2420 Setup Manual page 23

4 Headphone or line-out connector —
Connects to headphones.
NOTE: To connect to a powered
speaker or sound system, use the
audio out or S/PDIF connector on the
back of your computer
5 Microphone or line-in connector —
Connects to a microphone for voice or to
an audio cable for audio.
6 Hard drive activity light — Turns on
when the computer reads or writes data. A
flashing light indicates hard drive activity.
NOTICE: To avoid loss of data, never
turn off the computer while the hard
drive activity light is flashing.
Power button and light — Turns the
7
power on or off when pressed. The light
in the center of this button indicates the
power state:
• Blinking blue — the computer is in
sleep state.
• Solid blue — the computer is in power-
on state.
• Solid amber — the system board
cannot start initialization. There may be
an issue with either the system board
or power supply.
8 Wireless sync button — A wireless
connection can be established between
your wireless keyboard and mouse and
your computer. Press the sync button on
the back of your computer, then press the
sync button on the device that you wish
to use.
Using Your XPS One
21