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.