@KingDuken My (Dell) laptop has both an AMD display adapter and an Intel one. I'm not sure if one is for the attached screen and the other is for an external display, or what. If I keep both enabled, Altium works fine but HFSS can't display models (Also Draftsight crashes). If I disable the Intel adapter, HFSS and Draftsight work but Altium displays nothing (all black) in any layout view.