with ubuntu-drivers-common 1:0.4.17.3,
verified /usr/share/gpu-manager.d/hybrid-performance on "Inspiron 15 7000 Gaming" which has Nvidia VGA controller [10de:1c8c], the /etc/X11/xorg.conf file was replaced by /usr/share/gpu-manager.d/hybrid-performance as expected.
with ubuntu- drivers- common 1:0.4.17.3, gpu-manager. d/hybrid- performance on "Inspiron 15 7000 Gaming" which has Nvidia VGA controller [10de:1c8c], the /etc/X11/xorg.conf file was replaced by /usr/share/ gpu-manager. d/hybrid- performance as expected.
verified /usr/share/