Lights
Component Description
(1) Power lights (2)*
●
On: The computer is on.
●
Blinking: The computer is in the Sleep state (Windows Vista)
or Standby (Windows XP).
●
Off: The computer is off or in Hibernation.
(2)
Wireless lights (2)
†
●
On: An integrated wireless device, such as a wireless local
area network (WLAN) device and/or a Bluetooth device, is on.
●
Amber: All wireless devices are off.
(3) Caps lock light On: Caps lock is on.
(4) Num lock light On: Num lock is on.
(5) Volume mute light
●
On: Computer sound is on.
●
Amber: Computer sound is off.
(6) Volume down light Blinking: The volume scroll zone is being used to decrease speaker
volume.
(7) Volume up light Blinking: The volume scroll zone is being used to increase speaker
volume.
(8) Calculator light On: The Windows calculator function is on.
8 Chapter 2 External component identification
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