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

[Anne Wilson]

On Thursday 28 February 2008 21:23:54 Craig White wrote:
> On Thu, 2008-02-28 at 20:31 +0000, Anne Wilson wrote:
> > On Thursday 28 February 2008 20:00:25 Ross S. W. Walker wrote:
> > > Here is a simple Vesa config that should work on most cards and
> > > monitors, I use it here at work during kickstart installs.
> > >
> > > Section "ServerLayout"
> > >         Identifier     "Default Layout"
> > >         Screen      0  "Screen0" 0 0
> > >         InputDevice    "Keyboard0" "CoreKeyboard"
> > > EndSection
> > >
> > > Section "InputDevice"
> > >         Identifier  "Keyboard0"
> > >         Driver      "kbd"
> > >         Option      "XkbModel" "pc105"
> > >         Option      "XkbLayout" "us"
> > > EndSection
> > >
> > > Section "Device"
> > >         Identifier  "Videocard0"
> > >         Driver      "vesa"
> > > EndSection
> > >
> > > Section "Screen"
> > >         Identifier "Screen0"
> > >         Device     "Videocard0"
> > >         DefaultDepth     24
> > >         SubSection "Display"
> > >                 Viewport   0 0
> > >                 Depth     24
> > >                 Modes    "1280x1024" "1024x768" "800x600" "640x480"
> > >         EndSubSection
> > > EndSection
> >
> > Hi, Ross.  Thanks for that.  It got me in, but at a horrid 800x600, so I
> > ran system-config-display, setting it to generic 1280x1024, and leaving
> > the vesa driver.  Then I got
> >
> > "out of range
> > H.Frequency: 75KHZ
> > V.Frequency: 60HZ"
> >
> > Back into vi, and set the refresh rates, and eureka!  I'm back in
> > business. Is it worth trying the nv driver again, or should I leave well
> > alone?
> >
> > Thanks for the help.  That config is going to be printed out for
> > my "Emergencies" file. :-)
>
> ----
> I was reluctant to state this because I have no authoritative knowledge
> on these things but if you change video cables, I think that you need to
> reboot to get the video chipset to properly recognize the cable/monitor
> connected.
>
I'm pretty sure you do.  I had done that, though.

Anne


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