HDMI to TV shows a blank screen

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Unfortunately, it seems so. I’m pretty sure it’s a bug somewhere, because that configuration works for me with an intel integrated and nvidia dedicated gpu.

The easiest way of switching is

  1. set the correct configuration (no config for hybrid, and that config I sent for nvidia-only)
  2. run sudo systemctl restart gdm

Note, however, that this will forcibly close all applications running in graphical sessions.

Alternatively, optimus-manager has experimental support for AMD+NVIDIA configurations.

To get the audio working, change this

# Remove NVIDIA Audio devices, if present
ACTION=="add", SUBSYSTEM=="pci", ATTR{vendor}=="0x10de", ATTR{class}=="0x040300", ATTR{remove}="1"

to this

# Remove NVIDIA Audio devices, if present
#ACTION=="add", SUBSYSTEM=="pci", ATTR{vendor}=="0x10de", ATTR{class}=="0x040300", ATTR{remove}="1"

and then reboot.

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