Fastening mechanism for rear panel of computer

A mechanism for fastening a rear side of a computer comprising:

• a rear panel provided at the rear of a case of the computer and disposed corresponding to a plurality of expansion slots within the case, the rear panel comprising a plurality of openings disposed corresponding to the expansion slots;
• a plurality of fastening members fastened at the openings, each of the fastening members having an engagement piece at one end, the engagement piece being rested on one side of the rear panel after the fastening members have been mounted at the openings;
• and
• a fastening assembly having one end pivotably connected to the case adjacent the rear panel for pivoting the fastening assembly to approach or move away from the rear panel, the fastening assembly comprising at least one snapping element being in contact with the rear panel, the snapping element being matingly, securely engaged with a mating snapping element at the rear panel so as to tightly press the fastening members by the fastening assembly after the fastening members have been mounted at the rear panel, thereby sandwiching the engagement pieces between the fastening assembly and the rear panel and fastening the fastening members at the rear panel, wherein the fastening assembly is shaped as an L and comprises a horizontal pressing section and a vertical snapping section, wherein the pressing section further comprises a plurality of U-shaped apertures disposed corresponding to the openings, a plurality of flexible pieces each provided in the U-shaped aperture, each of the flexible pieces being extended from one distal end of the opening toward the opening, a plurality of downwardly projected portions each provided at the flexible piece adjacent one end of the opening so that the fastening members are operative to be tightly pressed by the flexible pieces after the fastening members have been mounted at the rear panel and fastened by the fastening assembly for fastening enhancement.