HP (Hewlett-Packard) C3Q78UA ユーザーズマニュアル

Audio-out (headphone) jack

Connects optional powered stereo speakers, headphones,
earbuds, a headset, or a television audio cable.

To reduce the risk of personal injury, adjust

the volume before using headphones, earbuds, or a
headset. For additional safety information, see the
Regulatory, Safety and Environmental Notices.

When a device is connected to a headphone jack,

the computer speakers are disabled.

Digital Media Slot 

Supports the following digital card formats:

●

SD

●

SDHC

●

SDXC

●

MMC

 

Optical drive 

Reads and writes to an optical disc.

 

Optical drive light 

●

Green or amber: The optical drive is being accessed.

●

Off: The optical drive is idle.

 

Optical drive eject button 

Releases the disc tray.

Power light

●

White: The computer is on.

●

Blinking white: The computer is in the Sleep state,
which is an energy-saving mode. The computer shuts
off power to the display and other unneeded
components.

●

Off: The computer is off or in Hibernation. Hibernation
is an energy-saving mode that uses the least amount of
power.

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Chapter 2   External component identification

ENWW