The video shows a close-up of a computer motherboard with a heat gun being used on it. The heat gun is emitting a bright orange flame, which is being directed onto a specific spot on the motherboard. The motherboard has various components such as capacitors, resistors, and chips. The heat gun is black and appears to be made of metal. The flame is intense and focused, indicating that the heat gun is being used to either repair or modify the motherboard.