Abstract: A connecting device for portable computers includes: a housing unit with an open section formed at one side, a pivot opening, a bolt stud with a bolt hole formed therethrough and a blind screw hole respectively provided at another side of the housing unit; a first pivot bolt movably disposed in the pivot opening through the open section of the housing unit; a second pivot bolt movably disposed in the bolt hole; a first torsional element disposed around a middle portion of the first pivot bolt; a second torsional element installed around the bolt stud in connection with the second pivot bolt; and a linking member formed in conjunction with the open section of the housing unit and provided with a plurality of through openings, a stud hole thereof being connected to the housing unit in conjunction with the first and second pivot bolts; whereby, different positioning effects of the connecting device can be achieved through the turning movements of the first and second pivot bolts.