External component identification
Maintenance and Service Guide 2–5
Front components
Rear components
Item Component Description
1 Audio-in (microphone) jack Connects an optional computer headset microphone, stereo array
microphone, or monaural microphone.
2 Audio-out (headphone) jack Produces sound when connected to optional powered stereo
speakers, headphones, ear buds, a headset, or television audio.
Component Function
Vents (2) Enable airflow to cool internal components.
✎
The computer fan starts up automatically to cool internal
components and prevent overheating. It is normal for the
internal fan to cycle on and off during routine operation.
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