On 21 mei 2009, at 21:30, Jesse Sheidlower wrote:
<snip>
When I use the auto-generated xorg.conf and run grandr, I'm
able to do some things, such as flip the image on the second
monitor, but in the "Layout" tab, the "Clone" or "Extend"
options are grayed out, and I can't drag the icons around.
And when I run xrandr on the commandline, it tells me "Screen
0: minimum 320 x 200, current 1400 x 1050, maximum 1400 x
1400", so if the maximum really is 1400 x 1400, it seems like
dual-head would never be possible.
I'm at a loss about what to try next, or what details of my
system would be helpful to provide. Any suggestions?
To use grandr for dual head setup, you need to make some changes to
xorg.conf. You need to add a maximum virual screen size that should at
least be the total of both your screens combined. So if you had one
screen with max res of 1280x800 and another with 1280x1024 then you
virtual screen should at least be (if you card supports it):
2560x2560. This way it accomodades both screen is any combination. If
I recall correctly you add this to your 'screen' section in the
subsection 'display'. Something like this (I could be wrong, I'm not
at my Debian box right now):
Section "Screen"
<some stuff here>
SubSection Display
<some stuff here>
Virtual 2048 2048 <- new entry
End SubSection
End Section
HTH
Peter
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