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Old 04-03-2005, 11:11 AM   #1
LQ Newbie
Registered: Apr 2005
Location: Toronto, Canada
Distribution: Red Hat 9
Posts: 2

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Error, Cannot Start X Server

I installed Red Hat 9. When I restart my computer, linux gives me error "Cannot start XServer> I have read all previous discussion regarding this error. but my case is different.
I suspect its my VGA or Monitor problem. it did not have my Display Adapter in the list, so i selected default.

Now, when i login as root and run this command: redhat-config-xfree86

Here is what I get:

.... Genreated bogus output

ID: None
Name: None
HorizSync: None
VertSync: None

Error, Cannot start X Server.

please help me.
Old 04-03-2005, 12:15 PM   #2
Registered: Jan 2005
Location: Boston
Distribution: slackware
Posts: 502

Rep: Reputation: 30
Not sure about redhat, but usually, there's an error log file associated with your X server program. Navigate to /var/log/ and look for XFree86.0.log (if you're using XFree86 - sounds like you are) or Xorg.o.log (if you're using, then look for errors (EE) within that particular file.
Old 04-03-2005, 04:08 PM   #3
LQ Newbie
Registered: Apr 2005
Location: Toronto, Canada
Distribution: Red Hat 9
Posts: 2

Original Poster
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Its problem with my VGA Card and Monitor. When I installed Red Hat 9, in start it said 'Probing Video Card: It selected Matrox Millenium" and "UNknow Monitor"
My VGA is Maxtor (not matrox) and monitor is SamSung SyncMaster 750s.
So, in start it said, XServer failed so "Falling back to text mode installation". So i completed installation. However, my XServer never started.
Can anybody tell me what can i do in this situation.
If i run 'redhat-config-xfree86" it says
"ddcprobe returned bogus values"
HorizSync: None
VertSync: None
Error, Cannot start X Server

Old 04-03-2005, 05:53 PM   #4
Registered: Dec 2003
Location: Long Beach, CA
Distribution: haven't settled on one.
Posts: 251

Rep: Reputation: 30
open up /etc/X11/XF86Config (I don't know, maybe redhat uses different names for these things) and manually edit the card's name and driver to suit your own card and its needed driver. In the same file, manually edit the lines having to do with your montor and screen.

While doing those things, follow dcbutler's suggestion. Look in /var/log/ for your xfree log file. Open it to see exactly what the problem is

You will have to research to find the name of the correct driver (you could try 'vesa' for now) and screen settings.

Good Luck.


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