The installer "NVidia-something-bla*****.run" can be started with the --uninstall tag.
Have fun Hans Am Thu, 12 Sep 2019 10:10:58 +0200, Dominique Dumont <d...@debian.org> schrieb: On Thursday, 12 September 2019 04:44:50 CEST Carlos Kosloff wrote: > Probem is I cannot uninstall old version because dpkg halts: > > Welcome to the NVIDIA Software Installer for Unix/Linux uh, no. That's not dpkg, it Nvidia's own installer. You should ask this question on nvidia user forum. All the best