Fix X11 output problem
Problem: X only shows a empty desktop
Cause: Main screen goes somewhere else
Fix:
1) Add/Modify "/etc/X11/xorg.conf" to disable specific output
https://wiki.ubuntu.com/X/Quirks
Section "Device"
Identifier "Configured Video Device"
Option "monitor-LVDS" "LVDS"
EndSection
Section "Monitor"
Identifier "LVDS"
Option "Ignore" "True"
EndSection
Section "Monitor"
Identifier "Configured Monitor"
EndSection
Section "Screen"
Identifier "Default Screen"
Monitor "Configured Monitor"
Device "Configured Video Device"
EndSection
2) Disable KMS in kernel boot command line by appending "nomodeset"
Cause: Main screen goes somewhere else
Fix:
1) Add/Modify "/etc/X11/xorg.conf" to disable specific output
https://wiki.ubuntu.com/X/Quirks
Section "Device"
Identifier "Configured Video Device"
Option "monitor-LVDS" "LVDS"
EndSection
Section "Monitor"
Identifier "LVDS"
Option "Ignore" "True"
EndSection
Section "Monitor"
Identifier "Configured Monitor"
EndSection
Section "Screen"
Identifier "Default Screen"
Monitor "Configured Monitor"
Device "Configured Video Device"
EndSection
2) Disable KMS in kernel boot command line by appending "nomodeset"
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