We use our Fire TV's as computer monitors. But because the default settings are for use as a TV, you might want to play with the settings on the computer or TV. (1) This TV is HD (720p) not full HD (1080p). Windows default is 1080,and computer monitors are generally also 1080; the display looked ragged (lost pixels) until we reset the resolution to 720 (which also resulted in larger icons, etc.). We did not have that problem using the TV as a display for a chromebook. (2) The default brightness on the TV is set for use as a TV, that is, for sitting a few feet away, and it hurt my wife's eyes until we toned down the brightness.