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Chapter 2 External component identification
Power light
Hard drive light
Audio-out (headphone)/Audio-in
(microphone) jack
USB 2.0 port
Optical drive (select models only)
Optical drive eject button (select models
only)
Description
●
On: The computer is on.
●
Blinking: The computer is in the Sleep state, a power-
saving state. The computer shuts off power to the
display and other components.
●
Off: The computer is off or in Hibernation.
Hibernation is a power-saving state that uses the
least amount of power.
Blinking white: The hard drive is being accessed.
Connects optional powered stereo speakers, headphones,
earbuds, a headset, or a television audio cable. Also
connects an optional headset microphone. This jack does
not support optional microphone-only devices.
WARNING!
To reduce the risk of personal injury, adjust
the volume before putting on headphones, earbuds, or a
headset. For additional safety information, see the
Regulatory, Safety, and Environmental Notices. To access
this guide, from the Start screen, type support, and then
select the HP Support Assistant app.
NOTE:
When a device is connected to the jack, the
computer speakers are disabled.
NOTE:
Be sure that the device cable has a 4-conductor
connector that supports both audio-out (headphone) and
audio-in (microphone).
Connects an optional USB device, such as a keyboard,
mouse, external drive, printer, scanner or USB hub.
Depending on your computer model, reads an optical disc
or reads and writes to an optical disc.
NOTE:
For disc compatibility information, navigate to the
Help and Support web page. Follow the web page
instructions to select your computer model. Select
Support & Drivers, and then select Product Information.
Releases the optical drive disc tray.
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