A computer mainboard (1), for example for notebook computers, having an integrated graphics component (2), which has at least one signal output (3), and at least one connection (5) for a display unit. A first plug connector (4) having at least one electrical connection is coupled to the signal output (3) of the integrated graphics component (2). A second plug connector (6) is coupled to the connection (5) for a display unit. At least one releasable electrical connection component (8) is provided between the first plug connector (4) and the second plug connector (6).