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

[Craig White]

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.

Craig