Quick Start Guide
1 - 8 Top Case
1
LED Indicators
The LED indicators on the top case, and at the front of the computer, display helpful information about the cur-
rent status of the system.
Top Case LEDS Front Case LEDS
Icon Color Description Icon Color Description
White
Number Lock is Activated
Orange The Battery is Charging
White
Caps Lock is Activated
Blinking Orange
The Battery has Reached Critically Low
Power Status
White
Scroll Lock is Activated
Green The Battery is Fully Charged
White Hard Disk Activity Orange AC/DC Power is Plugged In
White
Airplane Mode is ON (the WLAN, Bluetooth
& 3G/4G Modules are OFF)
Blinking Orange*
The Powered USB Port is On
(see
“Powered USB 3.0 (USB 3.1 Gen 1)
Port” on page 1 - 25
)
Table 1 - 1 - LED Indicators
Green The Computer is On
Blinking Green The Computer is in Sleep Mode
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