ohh wow … Thank you very much for that information. This is my (new) xorg.conf … May you be kind to let me know if this is correct … will help be a great deal.
nvidia-settings: X configuration file generated by nvidia-settings
nvidia-settings: version 418.56
Section “ServerLayout”
Identifier “Layout0”
Screen 0 “Screen0” 0 0
Screen 1 “Screen1” 0 0
InputDevice “Keyboard0” “CoreKeyboard”
InputDevice “Mouse0” “CorePointer”
Option “Xinerama” “0”
EndSection
Section “Files”
EndSection
Section “Module”
Load “dbe”
Load “extmod”
Load “type1”
Load “freetype”
Load “glx”
EndSection
Section “InputDevice”
# generated from default
Identifier “Mouse0”
Driver “mouse”
Option “Protocol” “auto”
Option “Device” “/dev/psaux”
Option “Emulate3Buttons” “no”
Option “ZAxisMapping” “4 5”
EndSection
Section “InputDevice”
# generated from default
Identifier “Keyboard0”
Driver “kbd”
EndSection
Section “Monitor”
# HorizSync source: edid, VertRefresh source: edid
Identifier “Monitor0”
VendorName “Unknown”
ModelName “HPN HP N246v”
HorizSync 30.0 - 80.0
VertRefresh 50.0 - 60.0
Option “DPMS”
EndSection
Section “Monitor”
# HorizSync source: edid, VertRefresh source: edid
Identifier “Monitor1”
VendorName “Unknown”
ModelName “HP w2207”
HorizSync 24.0 - 82.0
VertRefresh 48.0 - 76.0
Option “DPMS”
EndSection
Section “Device”
Identifier “Device0”
Driver “nvidia”
VendorName “NVIDIA Corporation”
BoardName “NVS 810”
Option “BaseMosaic” “True”
BusID “PCI:131:0:0”
EndSection
Section “Device”
Identifier “Device1”
Driver “nvidia”
VendorName “NVIDIA Corporation”
BoardName “NVS 810”
Option “BaseMosaic” “True”
BusID “PCI:133:0:0”
EndSection
Section “Screen”
Identifier “Screen0”
Device “Device0”
Monitor “Monitor0”
DefaultDepth 24
Option “Stereo” “0”
Option “nvidiaXineramaInfoOrder” “DFP-0”
Option “metamodes” “DP-0: nvidia-auto-select +1920+0, DP-1: nvidia-auto-select +1920+1080, DP-2: nvidia-auto-select +0+0, DP-3: nvidia-auto-select +0+1080”
Option “SLI” “Off”
Option “MultiGPU” “Off”
Option “BaseMosaic” “On”
SubSection “Display”
Depth 24
EndSubSection
EndSection
Section “Screen”
Identifier “Screen1”
Device “Device1”
Monitor “Monitor1”
DefaultDepth 24
Option “Stereo” “0”
Option “nvidiaXineramaInfoOrder” “DFP-0”
Option “metamodes” “DP-0: nvidia-auto-select +3840+480 {rotation=left}”
Option “SLI” “Off”
Option “MultiGPU” “Off”
Option “BaseMosaic” “On”
SubSection “Display”
Depth 24
EndSubSection
EndSection