HP ProBook 6545b HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 26

External component identification Item Component Description Lights (continued) (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. (5) QuickLook light ■ On: The computer is on. ■ Off: The computer is off or in the Sleep state (Windows 7 and Windows Vista) or Standby (Windows XP) or Hibernation. (6) QuickWeb light On: The Web browser is in use. (7) Caps lock light On: Caps lock is on. (8) Num lock light On: Num lock is on or the embedded numeric keypad is enabled. (9) Volume mute light ■ Turquoise: Speaker sound is on. ■ Amber: Speaker sound is off. (10) Volume down light Blinking: The volume down button is being used to decrease the speaker volume. (11) Volume up light Blinking: The volume up button is being used to increase the speaker volume. *The 2 wireless lights display the same information. The light on the wireless button is visible only when the computer is open. The wireless light on the front of the computer is visible whether the computer is open or closed. †The 2 power lights display the same information. The light on the power button is visible only when the computer is open. The power light on the front of the computer is visible whether the computer is open or closed. Maintenance and Service Guide 2-11