External component identification
Maintenance and Service Guide 2–5
Lights
Item Component Description
(1) Caps lock light On: Caps lock is on.
(2) Power light ■ On: The computer is on.
■ Blinking: The computer is in the Sleep state or Standby.
■ Off: The computer is off or in Hibernation.
(3) Wireless light ■ On: An integrated wireless device, such as a wireless local area network
(WLAN) device and/or a Bluetooth® device, is on.
■ Off: All wireless devices are off.