HP ProBook 4311s HP ProBook 4310s Notebook PC and HP ProBook 4311s Notebook PC - Page 24

Left-side components

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Left-side components External component identification Item Component (1) Battery light (2) Power connector (3) Optical drive (select models only) (4) RJ-11 (modem) jack (select models only) (5) USB ports (2) Description ■ 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. Connects an AC adapter. Reads optical discs and, on select models, also writes to optical discs. Connects a modem cable. Connect optional USB devices. Maintenance and Service Guide 2-9

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External component identification
Maintenance and Service Guide
2–9
Left-side components
Item
Component
Description
(1)
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.
(2)
Power connector
Connects an AC adapter.
(3)
Optical drive (select models only)
Reads optical discs and, on select models, also writes to optical discs.
(4)
RJ-11 (modem) jack
(select models only)
Connects a modem cable.
(5)
USB ports (2)
Connect optional USB devices.