HP ProBook 6545b Maintenance And Service Manual page 26

External component identification
Item Component
(1) Wireless lights (2)*
(2) Power lights (2)†
2–10
Description
■ 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.
■ 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.
(Continued)
Maintenance and Service Guide