You can check the charge/power status of your computer by checking 
the light on the side of your computer or the icon on the screen when 
your computer is turned on: 

Battery-charge indicator located on the right side of your computer: 

Power state 

Battery with no 
power adapter 

Power adapter 
and battery fully 
charged 

Power adapter 
and battery is 
charging 

S0/S1 (ON) 

Solid white 

Solid white 

Solid amber 

S3 (Sleep) 

Slow blinking 
white 

Slow blinking 
white 

Slow blinking 
amber 

S4/S5 
(Hibernate or OFF) 

OFF 

OFF 

Solid amber 

Low battery 

Fast blinking 
amber 

Fast blinking 
amber 

Fast blinking 
amber 

Battery icon displayed on the screen: 

Battery icon 

Description 

Battery is fully charged 

Battery is charging 

Computer is running on battery power 
and the battery is discharging. 
Computer is plugged in, and either no 
battery is detected, or the battery isn’t 
working correctly. 
Battery is low 

Battery is critically low 

NOTE: 

You can check exact battery charge level by booting to the 

operating system. 

14 

│

Setting Up Your Computer