Front Components; Rear Component - HP Pavilion DV4-2160 User Manual

Front components

Component
(1) Power light
(2) Battery light
(3) Drive light
(4) Consumer infrared lens
(5) Audio-in (microphone) jack
(6) Audio-out (headphone) jacks (2)

Rear component

Component
Vent
10 Chapter 2 Features
Description
●
On: The computer is on.
● Blinking: The computer is in the Sleep state.
●
Off: The computer is off or in Hibernation.
● On: A battery is charging.
●
Blinking: A battery that is the only available power source has
reached a low battery level or a critical battery level.
●
Off: If the computer is plugged into an external power source,
the light is turned 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.
●
Blinking: The hard drive or optical drive is being accessed.
● On: HP ProtectSmart Hard Drive Protection has temporarily
parked the internal hard drive, and if present, the hard drive
in the SmartBay.
Receives a signal from the HP Remote Control.
Connects an optional computer headset microphone, stereo array
microphone, or monaural microphone.
Produce sound when connected to optional powered stereo
speakers, headphones, earbuds, a headset, or television audio.
Description
Enables airflow to cool internal components.
NOTE: 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.