The video shows a person's hands assembling a computer motherboard. The person is seen placing a metal piece into the center of the motherboard, followed by a white square piece on top of the metal piece. The person then adjusts the white square piece to fit snugly into the motherboard. The motherboard has various ports and slots, including USB ports and audio jacks. The person's hands are steady as they work, and the video provides a clear view of the assembly process.