In the video, a man is seen standing in front of a white computer tower. He opens the side panel of the tower to reveal the internal components. The man then points to the fan inside the tower, indicating its location and function. The video provides a close-up view of the tower's interior, allowing viewers to see the details of the components. The man's actions are deliberate and informative, making it easy for viewers to understand the structure and function of the computer tower.