OOKB - Olaf's Own Knowledge Base

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===== Multiple monitor setup correct login screen order =====
In a multi-monitor configuration, the order of the monitors might be different on the logon screen and KDE Plasma (Wayland).

To correct this first find the configuration on the desktop:
<code bash>xrandr |grep connected</code>
<code>DisplayPort-0 connected primary 3840x1600+3840+177 (normal left inverted right x axis y axis) 880mm x 367mm
DisplayPort-1 connected 3840x2160+0+0 (normal left inverted right x axis y axis) 607mm x 345mm
DisplayPort-2 disconnected (normal left inverted right x axis y axis)
HDMI-A-0 disconnected (normal left inverted right x axis y axis)</code>

DisplayPort-0 is the right monitor\\
DisplayPort-1 is the left monitor\\
DisplayPort-2 and HDMI-A-0 are not connected\\
This information can be used to correct the SDDM configuration in ''/usr/share/sddm/scripts/Xsetup''. At the end of the script add:
<code bash>
xrandr --output DisplayPort-2 --off --output HDMI-A-0 --off
xrandr --output DisplayPort-1 --mode 3840x2160 --pos 0x0 --rotate normal --output DisplayPort-0 --mode 3840x1600 --pos 3840x177 --rotate normal </code>

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