Dell Inspiron N4020 Setup Guide - Page 21

Audio out/Headphone connector, USB 2.0 connectors 2, VGA connector, external drive, or MP3 player.

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Page 21 highlights

Using Your Inspiron Laptop 1 Audio out/Headphone connector - Connects to a pair of headphones or to a powered speaker or sound system. 2 Audio in/Microphone connector - Connects to a microphone or inputs signal for use with audio programs. 3 USB 2.0 connectors (2) - Connect to USB devices, such as a mouse, keyboard, printer, external drive, or MP3 player. 4 VGA connector - Connects to a monitor or projector. 19

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19
Using Your Inspiron Laptop
1
Audio out/Headphone connector
— Connects to a pair of headphones or to a powered
speaker or sound system.
2
Audio in/Microphone connector
— Connects to a microphone or inputs signal for use
with audio programs.
3
USB 2.0 connectors (2)
—
Connect to USB devices, such as a mouse, keyboard, printer,
external drive, or MP3 player.
4
VGA connector
—
Connects to a monitor or projector.