Video card issues
Some computer come with the the video card integrated to the board, as an example most laptop come with the board like that and only a few are available to replace it, especially the game computers. An it’s a big advantage about desktop which most of them are able to be upgraded.
Video cards on laptop can make the computer non functional in contrary to desktop that they can be easily replaced and upgraded. Mos issue with bad video on laptops is cause by overheating and that can be easily prevent by doing a periodically maintenance.