Reference Guide

Component Description
(7) Audio-in (microphone) jack Connects an optional computer headset microphone, stereo
array microphone, or monaural microphone.
(8) Audio-out (headphone) jack Connects optional powered stereo speakers, headphones, ear
buds, a headset, or television audio.
WARNING! To reduce the risk of personal injury, adjust the
volume before putting on headphones, earbuds, or a headset.
For additional safety information, refer to the Getting Started
guide.
NOTE: When a device is connected to the jack, the computer
speakers are disabled.
(9) External monitor port Connects an external VGA monitor or projector.
NOTE: The external monitor port is located on the rear of the
computer.
(10) Speakers (2) Produce sound.
(11) Upgrade bay The upgrade bay can hold a weight-saver option, a hard drive, or
an optical drive that reads an optical disc.
NOTE: On select models, the optical drive also writes to an
optical disc.
(12) USB 3.0 ports (2)* Connect optional USB 3.0 devices and provide enhanced USB
power performance.
*For information regarding the status of the USB port, contact your network administrator.
Using the audio-in (microphone) jack
The computer is equipped with a stereo (dual-channel) microphone jack that supports an optional
stereo array or monaural microphone. Using sound recording software with external microphones
allows for stereo recordings.
When connecting a microphone to the microphone jack, use a microphone with a 3.5-mm plug.
Using the audio-out (headphone) jack
WARNING! To reduce the risk of personal injury, adjust the volume before putting on headphones,
earbuds, or a headset. For additional safety information, refer to the Regulatory, Safety, and
Environmental Notices. These notices are located in the printed Getting Started Guide.
CAUTION: To prevent possible damage to an external device, do not plug a single sound channel
(monaural) connector into the headphone jack.
In addition to connecting headphones, the headphone jack is used to connect the audio-out function
of an audio device such as external powered speakers or a stereo system.
When connecting a device to the headphone jack, use only a 3.5-mm stereo plug.
When a device is connected to the headphone jack, the speakers are disabled.
26 Chapter 7 Multimedia