A computer including a chassis, a motherboard, an electronic component, an I/O port and a status display module is provided. The motherboard is disposed in the chassis. The electronic component is electrically connected with the motherboard. The I/O port is electrically connected with the motherboard and has at least one machine code to indicate the status of the electronic component. The status display module is electrically connected with the motherboard. The status display module includes a decoder and a display device. The decoder is configured to translate the machine code into a text description. The display device is disposed on the chassis and is electrically connected to the decoder to display the text description.