HP Envy 15 Maintenance And Service Manual page 20

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12 Chapter 2 External component identification
Component
Vent
Drive light
Speaker
Function
.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.
●
Blinking white: The hard drive is being accessed.
●
Amber (select models only): HP ProtectSmart Hard
Drive Protection has temporarily parked the hard
drive.
Produces sound.