Slide the release upwards and lift out the battery to remove.

Once battery is removed, long press the Power button for 30-60s and discharge any remaining power inside of the computer.

Put on the ESD bracelet, making sure the metal circle is touching your skin. Remove the alligator clip from the other end of the bracelet and insert the jack into the ground plug of an active electrical outlet. (the round hole). Do not move forward until you are grounded.