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Hi guys, I have installed Arch in a laptop with this card :
01:00.0 VGA compatible controller: ATI Technologies Inc RV350 [Mobility Radeon 9600 M10]
I have an VGA out and when I connect a second monitor, I can't change the resolution from 1024 x 768 to a bigger one.
Another thing is that when I try to use Xrandr to get an extended desktop I get this message and I can't do a thing :
Xlib: extension "Generic Event Extension" missing on display ":0.0".
Any ideas ? I have searched around the forums but I can't find any similar post.
Thanks.
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Which ATI driver are you using (eg. catalyst, radeonhd, or ati).
Also, the Xlib extension missing message is just a warning and can be ignored.
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I'm using the normal Radeon, following the Arch WIKI. Thanks. ( the normal radeon means the driver "radeon" ).
Last edited by dcreatorx (2009-03-25 09:23:19)
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Sorry, I mean radeon instead of ati.
From: http://www.cyberciti.biz/tips/linux-res … ickly.html
Basically it says to use:
xrandr -q
to get the displays and resolutions. Then use:
xrandr -s <SZ>
to set the resolution you want. Where SZ is the code matching the resolution you want.
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Hi thank you for your response, I can-t see any "size code" here.
Also, how do you select the display you want to resize from command line ?
Screen 0: minimum 320 x 200, current 1024 x 768, maximum 1600 x 1200
VGA-0 connected (normal left inverted right x axis y axis)
1024x768 75.1 + 75.0 70.1 60.0
1280x1024 60.0 + 75.0 60.0 60.0
1600x1200 75.0 70.0 65.0 60.0
1600x1024 60.2
1400x1050 75.0 72.0 60.0
1440x900 59.9
1280x960 75.0 72.0 60.0
1360x768 59.8
1152x864 75.0 75.0 75.0 70.0 60.0 60.0
832x624 74.6
800x600 72.2 75.0 60.3 56.2
768x576 75.0 72.0 60.1
640x480 72.8 75.0 72.8 75.0 60.0 59.9
720x400 70.1
LVDS connected 1024x768+0+0 (normal left inverted right x axis y axis) 0mm x 0mm
1024x768 60.0*+ 59.9
1280x800 60.0 +
800x600 60.3 59.9
640x480 59.9 59.4
S-video disconnected (normal left inverted right x axis y axis)
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The format of the output for xrandr might have changed.
You can do:
man xrandr
to figure out how to use it. Look for how to use the -s option and the -q option. You may also have to use the -screen option.
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