HP ENVY 15-j181nr Notebook PC - Manual (Page 16)

Component Description
(7) Hard drive light ● Blinking white: The hard drive is being accessed.
● Amber: HP 3D DriveGuard has temporarily parked the
hard drive.
NOTE: For information about HP 3D DriveGuard,
see Using HP 3D DriveGuard (select models only)
on page 55 .
(8) 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.
NOTE: For select models, the Intel® Rapid Start
Technology feature is enabled at the factory. Rapid
Start Technology allows your computer to resume
quickly from inactivity. For more information, see
Initiating Sleep and Hibernation on page 41 .
Display
Component Description
(1) Internal display switch Turns off the display and initiates Sleep if the display is closed
while the power is on.
NOTE: The internal display switch is not visible from the
outside of the computer.
6 Chapter 2 Getting to know your computer