HP (Hewlett-Packard) BJ840USABA Laptop User Manual


 
Front components
Item Component Function
(1) Wireless light On: An integrated wireless device, such as a wireless local
area network (WLAN) device, the HP Broadband Wireless
Module, and/ or a Bluetooth device, is on. Amber: All
wireless devices are off.
(2) Power light
On: The computer is on.
Blinking: The computer is in the Sleep state.
Blinking rapidly: An AC adapter with a higher power
rating should be connected.
Off: The computer is off or in Hibernation.
(3) Battery light
Amber: A battery is charging.
Green: 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.
(4) Drive light Blinking green: The hard drive or optical drive is being
accessed. Amber: HP 3D DriveGuard has temporarily parked
the hard drive.
(5) SD card reader Supports the Secure Digital (SD) Memory Card and
MultiMediaCard (MMC) optional digital card formats.
(6) Speakers (2) Produce sound.
(7) Display release button Opens the computer.
(8) Bluetooth compartment Contains a Bluetooth device.
16 Chapter 2 External component identification