The video shows a person working on a computer. The person is holding a small piece of hardware in their hand and is using a screwdriver to remove screws from the side of the computer. The person then removes the side panel of the computer to reveal the internal components. The person proceeds to remove a fan from the computer and then replaces it with a new one. The person then uses a screwdriver to secure the new fan in place. The video ends with the person removing the screws and the side panel of the computer.