LED Indicators 1 - 9
Quick Start Guide
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 (note the top case LEDs for Models A & B are green, Models C & D are white).
Top Case LEDS Front Case LEDS
Icon Color Description Icon Color Description
Green/
White
Number Lock is Activated
Orange The Battery is Charging
Green/
White
Caps Lock is Activated
Blinking Orange
The Battery has Reached Critically Low
Power Status
Green/
White
Scroll Lock is Activated
Green The Battery is Fully Charged
Green/
White
Hard Disk Activity Orange AC/DC Power is Plugged In
Green/
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 - 18
)
Table 1 - 2 - LED Indicators
Green The Computer is On
Blinking Green The Computer is in Sleep Mode
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