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Using Your Inspiron Desktop
4
USB 2.0 connectors (2) — Connect
to USB devices that are connected
occasionally such as memory keys, digital
cameras, and MP3 players.
5
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.
6
Line-in or microphone connector —
Connects to a microphone for voice or to
an audio cable for audio input.
7
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.
8
Optical drive — Plays or records CDs,
DVDs, and Blu‑ray Discs (optional).
Ensure that the side with print or writing
is facing upward when placing the disc on
the optical drive tray.
9
Optical drive eject button — Ejects the
optical drive tray when pressed.
10 Service Tag and Express Service Code
(located on top of the chassis towards the
back) — Helps to identify your computer
when you access the Dell Support
website or call technical support.