2–8 Maintenance and Service Guide
External component identification
Front components
Right-side components
Item Component Description
(1) Drive light Blinking: The hard drive or an external optical drive is being accessed.
(2) Speakers (2) Produce sound.
(3) Vent Enables 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.
Item Component Description
(1) SD Card Reader Supports the following optional digital card formats:
■ MultiMediaCard (MMC)
■ Secure Digital (SD) Memory Card
(2) Combo headphone microphone jack Produces sound when connected to optional powered stereo speakers,
headphones, ear buds, a headset, or television audio. Also connects an
optional headset microphone.
✎
When a device is connected to the headphone jack, the computer
speakers are disabled.
(3) USB ports (2) Connect optional USB devices.
(4) Security cable slot Attaches an optional security cable to the computer.
✎
The security cable is designed to act as a deterrent, but it may not
prevent the computer from being mishandled or stolen.
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