Charge your Notebook PC.
Connect the AC power cord to the AC/DC adapter.
Plug the AC power adapter into a 100V~0V power source.
Connect the DC power connector into your Notebook PC's power
Charge the Notebook PC for 3 hours before using it in
battery mode for the first time.
NOTE: The power adapter may vary in appearance, depending on models
and your region.
Notebook PC E-Manual