In the video, a man is seen working on a computer. He is using a screwdriver to remove the side panel of the computer case. Once the panel is removed, he proceeds to install a fan into the case. The man is careful and precise in his movements, ensuring that the fan is properly aligned and securely attached to the case. The video provides a clear view of the process, allowing viewers to see the details of the installation. The man's actions are deliberate and methodical, indicating that he is experienced in working with computers. Overall, the video provides a helpful guide for those looking to install a fan into their computer case.