Acer Aspire 5742 Service Guide - Page 39

System LED Indicator Item Lock System state HDD access state Wireless state Power button backlight Battery state Specification 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 Chapter 1 29