Chapter 2 External component identification
Blue: The computer is on.
Blinking: The computer is in the Sleep state.
Off: The computer is off or in Hibernation.
When the computer is off, slide the switch to turn on the
When the computer is on, slide the switch briefly to initiate
When the computer is in the Sleep state, slide the switch
briefly to exit Sleep.
When the computer is in Hibernation, slide the switch briefly
to exit Hibernation.
If the computer has stopped responding and operating system
shutdown procedures are ineffective, slide and hold the power
switch for at least 5 seconds to turn off the computer.
Blinking: The hard drive is being accessed.
Blue: An integrated wireless device, such as a wireless local
area network (WLAN) device and/or a Bluetooth® device, is
Amber: All wireless devices are off.
The wireless light turns amber when the computer turns
on, but all wireless devices are off.
Turns the wireless feature on or off, but does not create a wireless
To establish a wireless connection, a wireless network
must already be set up.