1 Optical drive — Plays or records CDs, DVDs, and Blu-ray Discs (optional). For more
information, see "Using the Optical Drive" on page 40.
2 Optical drive light — Blinks when you press the optical drive eject button or when you
insert a disc and it is being read.
3 Optical drive eject button — Press to open the optical-drive tray.
4 Emergency eject hole — Use to open the optical-drive tray if it does not open when you
press the eject button. For more information, see "Using the Emergency Eject Hole" on
Audio-out/Headphone connector — Connects to a pair of headphones or to a
powered speaker or sound system.
Audio-in/Microphone connector — Connects to a microphone or inputs signal for
use with audio programs.
USB 3.0 connector — Provides faster data transmission between your computer
and USB devices.
Using Your Inspiron Laptop