Hardware acceleration cannot be enabled in AutoCAD
knowledge.autodesk.com › support › autocadWhen trying to turn on hardware video acceleration in AutoCAD, the setting is grayed out and disabled. It cannot be turned back on. There may be a message in the Graphics Performance dialog: "Changes are not allowed in Safe Mode." The Video Card and Driver Version entries may be blank or missing. The shortcut used to launch the program has the /NOHARDWARE switch in place. Damaged or out-of ...