Abstract: An information processing apparatus includes a keyboard having a plurality of keys. The keyboard includes a sheet having a plurality of switch units for switching a non-conductive state and a conductive state according to operation with which the plurality of keys are respectively pressed down, the sheet having a first opening portion at a position corresponding to at least one of the keys, and a light emitting member provided below the sheet to emit light toward the key, the light emitting member having a second opening portion at a position corresponding to at least one of the keys.

Abstract: A cooling unit includes: a case having an air inlet that sucks an air, an air outlet that discharges the sucked air, and a side wall that forms a ventilation path leading the air from the air inlet to the air outlet; a fan housed in the case; and a heat sink arranged in the air outlet of the case, having a plurality of heat dissipating fins, and having a dust and dirt discharging port formed at a position corresponding to a flow rate of the air flowing in the case.