Lenovo ThinkPad L420 Hardware Maintenance Manual page 54

Table 6. Status indicators (continued)
Indicator
5
Device access
6
Caps lock
7
Sleep (Standby)
status
8
Battery status
48
Hardware Maintenance Manual
Meaning
Data is being read from or written to the hard disk drive. When this indicator is on, do
not put the computer into sleep (standby) mode or turn off the computer.
Note: Do not move the computer while this indicator is on. Sudden physical shock
could cause drive errors.
Caps Lock mode is enabled.
• Green: The computer is in sleep (standby) mode.
• Blinking green: The computer is entering sleep (standby) mode or hibernation
mode, or is resuming normal operation.
• Green: The battery is charged between 80% to 100% of the capacity, and being
discharged between 0% to 80% of the capacity.
• Blinking green: The battery is charged between 20% to 80% of the capacity, and
being charged. When the battery reaches 80% charge, blinking stops, but the
charging might continue until the battery is 100% charged.
• Orange: The battery is charged between 5% and 20% of the capacity, and being
discharged.
• Blinking orange (slow): The battery is charged between 5% to 20% of the capacity,
and being charged. When it reaches 20%, the blinking color changes to green.
• Blinking orange: The battery is charged between 0% to 5% of the capacity.
• Blinking orange (rapid): An error has occurred in the battery.
• Off: The battery is fully charged or the battery is detached.