HP 4510s - ProBook - Celeron 1.8 GHz, Maintenance And Service Manual

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Component Description
(5) Audio-out (headphone) jack Produces sound when connected to optional powered stereo
speakers, headphones, ear buds, a headset, or television audio.
NOTE: When a device is connected to the headphone jack, the
computer speakers are disabled.
(6) Audio-in (microphone) jack Connects an optional computer headset microphone, stereo array
microphone, or monaural microphone.
Right-side components
Component Description
(1) USB ports (2) Connect optional USB devices.
(2) RJ-11 (modem) jack (select models only) Connects a modem cable.
(3) Optical drive (select models only) Reads optical discs and, on select models, also writes to optical
discs.
(4) Optical drive light (select models only) Blinking: The optical drive is being accessed.
(5) Battery light ● Amber: A battery is charging.
●
Turquoise: A battery is close to full charge capacity.
● Blinking amber: A battery that is the only available power
source has reached a low battery level. When the battery
reaches a critical battery level, the battery light begins blinking
rapidly.
●
Off: If the computer is plugged into an external power source,
the light turns off when all batteries in the computer are fully
charged. If the computer is not plugged into an external power
source, the light stays off until the battery reaches a low
battery level.
(6) Power connector Connects an AC adapter.
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