[SLL] Ubuntu/Matrox resolution problem

[Pann McCuaig]

Have you tried 'dpkg-reconfigure xserver-xorg' ?

On Thu, Dec 20, 2007 at 01:36, Ana wrote:
> This has happened to me before too, a long time ago.  I don't know if
> my idea will work, but I think I remember doing something like this:
> 
> in each "Display" sub-section of the "Screen" section in
> /etc/X11/xorg.conf, you probably have "Modes" lines that look like this:
> 
> Section "Screen"
>     SubSection "Display"
> ...
>         Modes       "800x600" "640x480"
>     EndSubSection
> ...
> 
> change them all so that they look something like this:
>         Modes       "1024x768" "800x600" "640x480"
> or this:
>         Modes       "1280x960" "1152x864" "1024x768" "800x600" "640x480"
> 
> restart X, and then check for larger available resolutions in your
> screen-resolution preferences.  I think what happens is...  when X
> starts it calculates the mode-lines** that will work with your selected
> monitor, color depth, and listed resolutions.  (so, btw, you should also
> make sure your HorizSync VertRefresh settings are correct.)  If the
> largest resolution you have listed in your "Modes" line is 800x600 then
> X will not have tried to find compatible mode-lines**.
> 
> of course, I'm only pulling this out of my memory.  I'll test it on my
> own system now.  (/me runs test)  My test makes me a little more
> confident that I'm right.  I hope so.  good luck.
> 
> - Ana
> 
> 
> ** by "mode-lines" I mean the old-style complicated mode lines that used
> to be listed by the dozens in the XF86Config file.
> 
> 
> 
> 
> On Wed, Dec 19, 2007 at 08:21:14PM -0800, Abha Harting wrote:
> > I installed the Matrox modules, and that fixed but only temporarily. I got
> > it to go to a higher one, but now it has boomeranged back to the lower
> > resolution.
> > 
> > I set up a lot of users on this one machine as it is donated to a group home
> > for disabled adults. The display is 800X600 on all the logins.
> > 
> > I have spent hours on it, so I am tired of screwing around with it. Still,
> > thank you all for the input.
> > 
> > Abha
> > 
> > 
> > On 12/19/07, Mr.Scrooge <maximilian_bianco at yahoo.com> wrote:
> > >
> > > I have seen this problem before and in my case , i had
> > > to reconfigure the video setup. I forget what i did
> > > exactly, i don't use ubuntu anymore. Search the ubuntu
> > > forums for reconfiguring the xserver. I printed the
> > > instructions out but its been months, if i can find
> > > them i will shoot you an email.
> > > --- Abha Harting <abhaha at gmail.com> wrote:
> > >
> > > > I just installed Gutsy on an old 600Emhz PIII with
> > > > 384 mgs of ram. I had had
> > > > an Nvidia AGP card in there, but it was freezing up
> > > > and locking the screen
> > > > all the time. The only way to get out of it was to
> > > > turn the power off. I
> > > > read on one of the Ubuntu forums that for some
> > > > machines there is a problem
> > > > with the Nvidia driver and a number of web browsers
> > > > (esp FireFox) that
> > > > causes the freezing. It was even freezing during the
> > > > install--that got old.
> > > >
> > > > I decided I just didn't want to keep having to deal
> > > > with this, so I went
> > > > down to REPC and got a Matrox PCI video card. The
> > > > goofy thing is that when
> > > > using the live CD and during the install, the
> > > > resolution was a lot higher,
> > > > and I could set it to my preferred level of
> > > > 1024X768.* It was working just
> > > > fine.* BUT, now that it is installed and rebooted,
> > > > the only options
> > > > available are 800X600 and 640X480. This just sucks.
> > > >
> > > > So, what is up with that? There must be a way to fix
> > > > it since it was working
> > > > better on the live CD. Any help/suggestions
> > > > appreciated.
> > > >
> > > > Abha
> > > >
> > >
> > >
> > >
> > >
> > > ____________________________________________________________________________________
> > > Looking for last minute shopping deals?
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> > >

-- 
geek by nature, Linux by choice                     L I N U X       .~.
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http://vps.ourmanpann.com/oss/                       of a GNU      /( )\
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