resolution woes

Argh! I had to manually edit a modeline and xorg.conf to get the right screen resolution on this new PC, which could be why Linux isn’t catching on more. I figured some of it out from this page) – basically you look in /var/log/Xorg.0.log and copy out some of the information.

As a memento (i.e. so I don’t lose it) this is the complete config file (including bits I commented out during trying to get it to work):

	
  1. xorg.conf (X.Org X Window System server configuration file)
  2. #
  3. This file was generated by failsafeDexconf, using
  1. values from the debconf database and some overrides to use vesa mode.
  2. #
  3. You should use dexconf or another such tool for creating a “real” xorg.conf
  4. For example:
  1. sudo dpkg-reconfigure -phigh xserver-xorg

Section “InputDevice” Identifier “Generic Keyboard” Driver “kbd” Option “XkbRules” “xorg” Option “XkbModel” “pc105” Option “XkbLayout” “us”
EndSection

Section “InputDevice” Identifier “Configured Mouse” Driver “vmmouse”
EndSection

#Section “Device” # Identifier “Configured Video Device” # Boardname “vesa” # Busid “PCI:7:0:0” # Driver “vesa” # Screen 0 #EndSection

Section “Device” Identifier “Configured Video Device” Option “VideoOverlay” “on” Option “OpenGLOverlay” “off” Busid “PCI:7:0:0” Driver “fglrx”
EndSection

Section “Device” Identifier “Configured Video Device” Option “VideoOverlay” “on” Option “OpenGLOverlay” “off” Busid “PCI:7:0:1” Driver “fglrx”
EndSection

Section “Monitor” Identifier “Configured Monitor” Vendorname “Dell” Modelname “Dell 3007WFP” Horizsync 30.0-100.0 Vertrefresh 56.0-76.0 modeline “800×600@56” 36.0 800 824 896 1024 600 601 603 625 +hsync +vsync modeline “800×600@72” 50.0 800 856 976 1040 600 637 643 666 +hsync +vsync modeline “800×600@75” 49.5 800 816 896 1056 600 601 604 625 +hsync +vsync modeline “800×600@60” 40.0 800 840 968 1056 600 601 605 628 +hsync +vsync modeline “1280×768@60” 80.14 1280 1344 1480 1680 768 769 772 795 -hsync +vsync modeline “1280×720@60” 74.48 1280 1336 1472 1664 720 721 724 746 -hsync +vsync modeline “1280×800@75” 107.21 1280 1360 1496 1712 800 801 804 835 -hsync +vsync modeline “1280×768@75” 102.98 1280 1360 1496 1712 768 769 772 802 -hsync +vsync modeline “1280×800@60” 83.46 1280 1344 1480 1680 800 801 804 828 -hsync +vsync modeline “1440×900@75” 136.49 1440 1536 1688 1936 900 901 904 940 -hsync +vsync modeline “1440×900@60” 106.47 1440 1520 1672 1904 900 901 904 932 -hsync +vsync modeline “1600×1024@60” 136.36 1600 1704 1872 2144 1024 1025 1028 1060 -hsync +vsync modeline “1680×1050@60” 147.14 1680 1784 1968 2256 1050 1051 1054 1087 -hsync +vsync modeline “1680×1050@75” 188.07 1680 1800 1984 2288 1050 1051 1054 1096 -hsync +vsync modeline “1920×1200@75” 246.59 1920 2064 2272 2624 1200 1201 1204 1253 -hsync +vsync modeline “1920×1200@60” 193.16 1920 2048 2256 2592 1200 1201 1204 1242 -hsync +vsync modeline “2560×1600@60” 268.0 2560 2608 2640 2720 1600 1603 1609 1646 -hsync +vsync Gamma 1.0
EndSection
Section “Screen” Identifier “Default Screen” Device “Configured Video Device” Monitor “Configured Monitor” Defaultdepth 24 SubSection “Display” Depth 24 # Modes “2560×1600@60” “1920×1200@60” “1920×1200@75” “1680×1050@75” “1680×1050@60” “1600×1024@60” “1440×900@60” “1440×900@75” “1280×800@60” “1280×768@75” “1280×800@75” “1280×720@60” “1280×768@60” “800×600@60” “800×600@75” “800×600@72” “800×600@56” Modes “2560×1600@60” EndSubSection
EndSection

Section “ServerLayout” Identifier “Default Layout” screen 0 “Default Screen” 0 0
EndSection
Section “Module” Load “glx” Load “GLcore” Load “v4l”
EndSection #Section “device” # # Identifier “device1” # Boardname “VESA driver (generic)” # Busid “PCI:7:0:1” # Driver “vesa” # Screen 0 #EndSection #Section “screen” # # Identifier “screen1” # Device “device1” # Defaultdepth 24 # Monitor “monitor1” #EndSection #Section “monitor” # # Identifier “monitor1” # Gamma 1.0 #EndSection
Section “ServerFlags”
EndSection

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