Patent attributes
A positioning assembly between a computer-related assembly and a hub at a rear side of the computer-related assembly has a support arm connected between the computer-related assembly and the hub for receiving conductive wires; a positioning device at one surface of the computer-related assembly for combining the hub; two sliding tracks at two opposite lateral side of the computer-related assembly; the sliding track and sliding track being supported by four supporting posts which are formed as a supporting frame; the computer-related assembly being movable along the tracks from an outer side to an inner side; by the positioning device, the computer-related assembly being combinable with the hub. If an external force is applied to the computer-related assembly, the positioning device will release from the computer-related assembly.