Abstract: There is provided an electronic device including a flat-plate-like main unit including a keyboard, a flat-plate-like display unit which includes a display surface and is configured to move between a first state to be superimposed on the main unit and a second state to stand up from the first state, a hinge which connects the main unit and the display unit to each other in a manner that the display unit is movable with respect to the main unit, the hinge being provided in a center of the main unit in a left and right direction, a heat source and a cooling fan across the hinge in an inside of the main unit, and a heat pipe which connects the heat source and the cooling fan to each other and avoids an attaching portion of the hinge with respect to the main unit.

Abstract: There is provided an electronic device including a flat-plate-like main unit including a keyboard, a flat-plate-like display unit which includes a display surface and is configured to move between a first state to be superimposed on the main unit and a second state to stand up from the first state, a hinge which connects the main unit and the display unit to each other in a manner that the display unit is movable with respect to the main unit, the hinge being provided in a center of the main unit in a left and right direction, a heat source and a cooling fan across the hinge in an inside of the main unit, and a heat pipe which connects the heat source and the cooling fan to each other and avoids an attaching portion of the hinge with respect to the main unit.

Abstract: An air blower includes a plurality of fans including a first fan and a second fan. The first fan has a plurality of fins. The second fan has a plurality of fins. The number of the plurality of fins of the second fan is different from that of the plurality of fins of the first fan.