HP EliteBook 2540p Notebook PC - Manual (Page 15)

Lights
Component Description
(1) Power light ● On: The computer is on.
● Blinking: The computer is in the Sleep state.
● Off: The computer is off or in Hibernation.
(2) QuickLook light ● On: The computer is on.
● Off: The computer is off or in Sleep or Hibernation.
(3) QuickWeb light ● On: The computer is on.
● Off: The computer is off or in Sleep or Hibernation.
(4) 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.
(5) TouchPad on/off light ● White: TouchPad is on.
● Amber: TouchPad is off.
(6) Caps lock light On: Caps lock is on.
(7) Num lock light On: Num lock is on or the embedded numeric keypad is enabled.
(8) Volume mute light ● White: Speaker sound is on.
● Amber: Speaker sound is off.
Identifying hardware 3