1. A computing device comprising: a display assembly including a screen; a housing that at least partially circumvents the screen so that the screen is viewable; a set of touch sensors provided with the display assembly; and a processor provided within the housing, the processor operating to: detect a gesture via the set of touch sensors; interpret the gesture as one of a plurality of user inputs; detect a presence of one or more extraneous objects on a surface of the screen of the display assembly; and adjust one or more settings of the computing device in response to detecting the presence of the one or more extraneous objects.