HP EliteBook 2540p Notebook PC - Manual (Page 19)

Component Description
(1) Business card slot Holds a business card in position so that the webcam can capture
the information on the card.
(2) Wireless light ● Blue: An integrated wireless device, such as a wireless local
area network (WLAN) device, the HP Mobile Broadband
Module (select models only), and/or a Bluetooth device, is on.
● Amber: All wireless devices are off.
(3) Power light ● On: The computer is on.
● Blinking: The computer is in the Sleep state.
● Off: The computer is off or in Hibernation.
(4) Battery light ● Amber: A battery is charging.
● White: 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.
(5) Drive light ● White: The hard drive or optical drive is being accessed.
● Amber: HP 3D DriveGuard has temporarily parked the hard
drive.
(6) Speakers (2) Produce sound.
(7) Display release button Opens the computer.
Rear components
Component Description
(1) RJ-45 (network) jack Connects a network cable.
(2) USB ports (2) Connect optional USB devices.
Identifying hardware 7