Acer ASPIRE 5742 Service Manual page 39

System LED Indicator
Item
Lock
System state
HDD access state
Wireless state
Power button backlight
Battery state
Chapter 1
N/A
• Blue color solid on: system on
• Blue color and amber color off: system off
• Amber color blinking: S3 state
Reflects the activities of the HDD or card reader access
Amber color if a wireless device is active
• Blue color solid on: system on
• Blue color off: system off
Charging
• Amber solid on - battery charging with AC
• Blue color solid on - battery full
• Amber blinking - battery abnormal stop charge or batter in low power
state
Discharging
• Amber and blinking - battery in critical low state
• Amber color off - discharging state
Specification
29