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When I installed Arch Linux on my Toshiba L10 Intel Centrino laptop, it detected my video card and monitors correctly "out-of-the box". Now that I've installed Ubuntu 10.10 "Maverick Meerkat", it has not.

How can I configure Ubuntu to use the correct Intel drivers with my Intel 82852/855GM graphics card?

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Created the tag, but unfortunately I can't help with the question. I have a similar problem, but I'm waiting for development for my chip set to be released. Hope someone here can help. –  Scott McClenning Sep 24 '10 at 3:35

2 Answers 2

up vote 0 down vote accepted

First you need to download and install the Intel drivers:

$ sudo add-apt-repository ppa:glasen/intel-driver
$ sudo apt-get update && sudo apt-get upgrade

Before adding the Device section to the file: /etc/X11/xorg.conf

After restarting X (say: reboot), you should be able to change preset resolutions via Systems > Preferences > Monitors.

You can verify the available resolutions with:

$ xrandr -q
Screen 0: minimum 320 x 200, current 1360 x 768, maximum 2048 x 2048
VGA1 connected 1360x768+0+0 (normal left inverted right x axis y axis) 0mm x 0mm
   1360x768       59.8* 
   1024x768       60.0  
   800x600        60.3     56.2  
   848x480        60.0  
   640x480        59.9     59.9  

If you require a seemingly exotic resolution, e.g. 1920x1080 (60Hz), you need to add a extra modeline to X. The modeline parameters can be calculated with the cvt tool:

$ cvt 1920 1080 60
# 1920x1080 59.96 Hz (CVT 2.07M9) hsync: 67.16 kHz; pclk: 173.00 MHz
Modeline "1920x1080_60.00"  173.00  1920 2048 2248 2576  1080 1083 1088 1120 -hsync +vsync

Add this new modeline to your X configuration using xrandr:

$ xrandr --newmode "1920x1080_60.00"  173.00  1920 2048 2248 2576  1080 1083 1088 1120 -hsync +vsync

You can check this using xrandr -q again:

$ xrandr -q
Screen 0: minimum 320 x 200, current 1360 x 768, maximum 2048 x 2048
VGA1 connected 1360x768+0+0 (normal left inverted right x axis y axis) 0mm x 0mm
   1360x768       59.8* 
   1024x768       60.0  
   800x600        60.3     56.2  
   848x480        60.0  
   640x480        59.9     59.9  
   1920x1080_60.00   60.0  

Finally, add the exotic modeline (VGA1 is the actual output device, as reported by xrandr -q):

$ xrandr --addmode VGA1 1920x1080_60.00
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I have the same card in my laptop. To the get the card working I changed the driver in /etc/X11/xorg.conf to intel:

Section "Device"
 Identifier "Configured Video Device"
 Driver  "intel"
EndSection

and changed:

GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" 

to

GRUB_CMDLINE_LINUX_DEFAULT="quiet splash i915.modeset=1"

in /etc/default/grub

Run update-grub after making these changes and reboot.

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