[CentOS] Completely lost X (was system-config-display wrongly sets up Viewsonic VG730m monitor)

Anne Wilson cannewilson at googlemail.com
Thu Feb 28 19:37:14 UTC 2008


On Thursday 28 February 2008 19:29:07 Craig White wrote:
> On Thu, 2008-02-28 at 19:17 +0000, Anne Wilson wrote:
> > On Tuesday 19 February 2008 13:02:31 Johnny Hughes wrote:
> > > Anne Wilson wrote:
> > >
> > > <snip>
> > >
> > > >  ### Comment all HorizSync and VertSync values to use DDC:
> > > >         Identifier   "Monitor0"
> > > >         ModelName    "Monitor 1280x1024"
> > > >  ### Comment all HorizSync and VertSync values to use DDC:
> > > >         HorizSync    60.0 - 72.0
> > > >         VertRefresh  60.0 - 72.0
> > > >         Option      "dpms"
> > > > EndSection
> > > >
> > > > Section "Device"
> > > >         Identifier  "Videocard0"
> > > >         Driver      "nv"
> > > > EndSection
> > > >
> > > > Section "Screen"
> > > >         Identifier "Screen0"
> > > >         Device     "Videocard0"
> > > >         Monitor    "Monitor0"
> > > >         DefaultDepth     16
> > > >         SubSection "Display"
> > > >                 Viewport   0 0
> > > >                 Depth     24
> > > >         EndSubSection
> > > >         SubSection "Display"
> > > >                 Viewport   0 0
> > > >                 Depth     16
> > > >         EndSubSection
> > > > EndSection
> > >
> > > try this:
> > > #
> > >    ### Comment all HorizSync and VertSync values to use DDC:
> > >           Identifier   "Monitor0"
> > >           ModelName    "Monitor 1280x1024"
> > >    ### Comment all HorizSync and VertSync values to use DDC:
> > >           HorizSync    30.0 - 82.0
> > >           VertRefresh  56.0 - 75.0
> > >           Option      "dpms"
> > > EndSection
> > >
> > > Section "Device"
> > >           Identifier  "Videocard0"
> > >           Driver      "nv"
> > > EndSection
> > >
> > > Section "Screen"
> > >           Identifier "Screen0"
> > >           Device     "Videocard0"
> > >           Monitor    "Monitor0"
> > >           DefaultDepth     16
> > >      SubSection     "Display"
> > >          Viewport    0 0
> > >          Depth       24
> > >          Modes      "1280x1024" "1280x960" "1280x800" "1152x864"
> > > "1152x768" "1024x768" "800x600" "640x480"
> > >      EndSubSection
> > >      SubSection     "Display"
> > >          Viewport    0 0
> > >          Depth       16
> > >          Modes      "1280x1024" "1280x960" "1280x800" "1152x864"
> > > "1152x768" "1024x768" "800x600" "640x480"
> > >      EndSubSection
> > > EndSection
> > > #
> > >
> > > (the "modes" lines will wrap ... but all the resolutions should be all
> > > on one line, separated by spaces and inside quotes)
> > >
> > > Also, if "DefaultDepth 16" does not work, try "DefaultDepth 24"
> > >
> > > You say that you bought a digital lead ... meaning I guess that you are
> > > using a different PORT on your video card and monitor.  It is possible
> > > that he standard "nv" driver does not support that port on your video
> > > card and that you will need to instead download the proprietary drivers
> > > from nvidia's website to get that port to function.  Regardless of
> > > which driver and cable you use, the resolution/freq of the screen is
> > > going to be the same ... why not just use the old cable :D
> >
> > Johnny, this afternoon I got around to putting the old cable back in,
> > only to find that I can't get X correctly configured again.  I have no X.
> >  I managed to get to a text screen and vi xorg.conf, putting in exactly
> > what you recommended above (maybe that was for digital, not analogue?). 
> > I still can't startx.  I see
> >
> > (==) Using config file: "/etc/X11/xorg.conf"
> > (EE) NV(0): No valid initial configuration found
> > (EE) Screen(s) found, but none have a usable configuration.
> >
> > Fatal server error:
> > no screens found
> > XIO: fatal IO error 104 (Connection reset by peer) on X server ":0.0"
> >      after 0 requests (0 known processed) with 0 events remaining.
> >
> > Can you recommend a really basic xorg.conf to get me started?  Thanks
>
> ----
> init 3
> system-config-display --reconfig
>

Couldn't start X server on card 0
Error, failed to start X server

Anne
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