Dell Studio XPS 9100 (Mid 2010) - Manual (Page 23)

21
Using Your Studio XPS Desktop
1 USB 2.0 connectors (3) — Connect
to USB devices that are connected
occasionally such as memory keys, digital
cameras, and MP3 players.
2 Hard-drive activity light — Turns on
when the computer reads or writes data.
A blinking white light indicates hard‑drive
activity.
CAUTION: To avoid loss of data, never
turn off the computer while the hard-
drive activity light is blinking.
3 Power button — Turns the computer on
or off when pressed. The light in the center of
this button indicates the power state.
NOTE: For information on power problems,
see “Power Problems” on page 31.
4 Headphone connector — Connects
to headphones.
NOTE: To connect to a powered speaker or
sound system, use the audio connectors
on the back of your computer.
5 Line-in or microphone connector —
Connects to a microphone for voice or to
an audio cable for audio input.