Hello. For a few months my laptop has one problem. Nvidia's video card can not be installed anymore. When I find a hardware id show me sometimes gtx 660m, gt 555m, and old models of nvidia graphics cards.
Then I saw that there are some closed drives on device manager, concretly other drivers. "3d video controller" one show normaly buy rwo and three "3d video controller" is hidden.
i try many versions. i reinstal Os, i dust my laptop. but nothing not helped
I have been studying for 3 months, but I can not find anything. With the coding I installed the driver by force but still did not work. Letter (code 43)
please help me
have any idea? Was there such a strange thing in practice?