** Configuración de /etc/X11/xorg.conf para Dell XPS13 a 1368x768, 1600x900 y 1920x1080 **

<code>
Section "Device"
  Identifier "Configured Video Device"
EndSection

Section "Monitor"
  Identifier "Configured Monitor"
  Vendorname "Generic LCD Display"
  Modelname "LCD Panel"
  Horizsync 31.5-64.0
  Vertrefresh 56.0 - 65.0
  Modeline "1368x768_60.00"   85.25  1368 1440 1576 1784  768 771 781 798 -hsync +vsync
  Modeline "1600x900_60.00"  118.25  1600 1696 1856 2112  900 903 908 934 -hsync +vsync
  Modeline "1920x1080_60.00"  173.00  1920 2048 2248 2576  1080 1083 1088 1120 -hsync +vsync
Gamma 1.0
  # modeline "640x480@60" 25.2 640 656 752 800 480 490 492 525 -vsync -hsync
  # modeline "800x600@56" 36.0 800 824 896 1024 600 601 603 625 +hsync +vsync
  # modeline "800x600@60" 40.0 800 840 968 1056 600 601 605 628 +hsync +vsync
  # modeline "1024x768@60" 65.0 1024 1048 1184 1344 768 771 777 806 -vsync -hsync
  # modeline "1368x768_60.00"   85.25  1368 1440 1576 1784  768 771 781 798 -hsync +vsync
  # modeline "1600x900_60.00"  118.25  1600 1696 1856 2112  900 903 908 934 -hsync +vsync
  # modeline "1920x1080_60.00"  173.00  1920 2048 2248 2576  1080 1083 1088 1120 -hsync +vsync
EndSection

Section "Screen"
  Identifier "Default Screen"
  Monitor "Configured Monitor"
  Device "Configured Video Device"
  DefaultDepth 24
  SubSection "Display"
    Depth 1
    Modes "1368x768"
  EndSubSection
  SubSection "Display"
    Depth 4
    Modes "1368x768"
  EndSubSection
  SubSection "Display"
    Depth 8
    Modes "1368x768"
  EndSubSection
  SubSection "Display"
    Depth 15
    Modes "1368x768"
  EndSubSection
  SubSection "Display"
    Depth 16
    Modes "1368x768"
  EndSubSection
  SubSection "Display"
    Depth 24
    Modes "1368x768"
  EndSubSection
EndSection
</code>