According to one embodiment, an information processing apparatus includes a key matrix unit having a plurality of switches, a plurality of operation keys which are provided in association with a part of the plurality of switches, and a first detection unit which executes a scan process for the key matrix unit, thereby detecting on/off states of the plurality of switches, the first detection unit executes a predetermined process in a case where the first detection unit detects that the switches, which are not associated with the operation keys, are in an ON state.