x11 | xorg | dual monitor configuration with intel

Go to xorg.conf.d directory.

Add the following files:

30-keyboard.conf

Section "InputClass"
Identifier "keyboard-all"
Driver "evdev"
Option "XkbLayout" "de"
Option "XkbModel" "pc105"
# Option "XkbRules" "xorg"
Option "XkbOptions" "nodeadkeys"
Option "XkbVariant" ",qwertz"
MatchIsKeyboard "on"
EndSection


40-monitor.conf

Section “Monitor”
Identifier “DP”
Option “PreferredMode” “2560×1440”
# Option “Primary” “true”
EndSection
Section “Monitor”
Identifier “DP2”
Option “PreferredMode” “2560×1440”
Option “LeftOf” “DP”
EndSection

50-video.conf

Section “Device”
Identifier “Intel Xeon”
# Option “Monitor-DP1” “DP”
Option “Monitor-DP1-8” “DP2”
Option “Monitor-DP2” “DP”
# Option “Monitor-DP1-1” “DP2”
Driver “intel”
EndSection

60-screen.conf

Section “Screen”
Identifier “Default Screen”
Device “Intel Xeon”
Monitor “DP”
DefaultDepth 24
SubSection “Display”
Depth 16
Modes “2560×1440”
EndSubSection
SubSection “Display”
Depth 24
Modes “2560×1440”
EndSubSection
EndSection