HP EliteBook 2740p Tablet-PC - Manual (Page 15)

Lights
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 ● Amber: A battery is charging.
● Turquoise: A battery is close to full charge capacity.
● Blinking amber: A battery that is the only available power
source has reached a low battery level. When the battery
reaches a critical battery level, the battery light begins
blinking rapidly.
● Off: If the computer is plugged into an external power
source, the light turns 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 turquoise: The hard drive is being accessed.
● Amber: HP 3D DriveGuard has temporarily parked the
internal hard drive.
(4) Caps lock light On: Caps lock is on.
(5) TouchPad light ● Off: TouchPad is enabled.
● Amber: TouchPad is disabled.
(6) Volume mute light ● Turquoise: Computer sound is on.
● Amber: Computer sound is off.
(7) Volume down light Blinking: The volume down button is being used to decrease
speaker volume.
Identifying hardware 3