17
Using Your Inspiron Desktop
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.
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