This projector is HD capable, but its native resolution is 720p (1080i). The LED stays cool, so the fans don't stay on very long after the bulb is turned off. However, they are pretty loud, so I replaced them with quiet fans. Overall the picture quality and brightness is good enough that the room doesn't have to be dark to watch TV. I don't have a theater room, but I can...
Please match your original screen's BACKLIGHT TYPE, SIZE, and RESOLUTION before you purchase this item, because some laptop models come with more than one type of screens