HP ProBook 6550b User Manual

Lights
NOTE: Refer to the illustration that most closely matches your computer.
Item Component Description
(1)
Wireless lights (2)*
●
Blue: An integrated wireless device, such as a
WLAN device, the HP Mobile Broadband Module
(select models only), and/or a Bluetooth device, is
on.
●
Amber: All wireless devices are off.
(2)
Power lights (2)†
●
On: The computer is on.
●
Blinking: The computer is in the Sleep state
(Windows 7 and Windows Vista) or Standby
(Windows XP).
●
Off: The computer is off or in Hibernation.
(3)
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.
(4)
Drive light
●
Blinking turquoise: The hard drive or optical drive
(select models only) is being accessed.
●
Amber: HP 3D DriveGuard has temporarily parked
the hard drive.
22 Chapter 2 External component identification

HP ProBook 6550b Specifications

General

RAM	Up to 8 GB DDR3
Operating System	Windows 7 Professional
Network	Gigabit Ethernet
Storage	Up to 500GB HDD
Display	15.6-inch diagonal LED-backlit HD anti-glare
Graphics	Intel HD Graphics
Weight	2.5 kg (5.5 lbs)
Battery	6-cell or 9-cell Lithium-Ion
Chipset	Mobile Intel HM57 Express
Optical Drive	DVD+/-RW SuperMulti DL
Wireless	802.11a/b/g/n
Audio	Integrated stereo speakers, Integrated microphone
Ports	USB 2.0, VGA, DisplayPort, eSATA, RJ-45, headphone/microphone combo jack
Processor	Intel Core i5 or i7