In the video, a man is seen working on a computer. He is wearing a black shirt and is standing in front of a computer case. The man is holding a motherboard in his hands and is carefully placing it into the computer case. He appears to be making sure that the motherboard is properly aligned and secured before closing the case. The computer case is black and has a blue light on the front. The man seems to be knowledgeable about the process, as he handles the motherboard with care and precision.