Lenovo ideapad 720S-13IKB Hardware Maintenance Manual page 26

ideapad 720S-13IKB/ideapad 720S Touch-13IKB Hardware
Maintenance Manual
22
Perform operational charging. If the battery status indicator or icon is not lit,
remove the battery pack and let it return to room temperature. Reinstall the
battery pack. If the charge indicator or icon is still off, replace the battery pack.
If the charge indicator is still not lit, replace the system board.