HP Compaq Presario CQ41-211TX Notebook PC - Manual (Page 18)

Front components
Component Description
(1) Power light ● On: The computer is on.
● Blinking: The computer is in the Sleep state.
● Off: The computer is off or in Hibernation.
(2) Battery light ● 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.
(3) Drive light Blinking: The hard drive or optical drive is being accessed.
(4) Audio-in (microphone) jack Connects an optional computer headset microphone, stereo array
microphone, or monaural microphone.
(5) Audio-out (headphone) jack Produces sound when connected to optional powered stereo
speakers, headphones, earbuds, a headset, or television audio.
Rear component
Component Description
Vent 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.
8 Chapter 1 Features