Old 12th May 2009, 14:21
perfectpol7 perfectpol7 is offline
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Default X server failed to start

After changing a monitor, my fedora 10 desktop fail to start into gui screen, it loads the loading bars then the screen goes black, when i enter into the command line and typed in startx any error messages:

(EE) intel 0 No valid modes
(EE) screen(s) found, but none have a usable configuration
Fatal errors:
no screen found
giving up
xinit: No such file or directory (errno2) unable to connect to X Server
xinit: No such process (errno3) server error

and i also try system-config-display --reconfig
and got an error couldn't start X server on card 0
error, failed to start X server.
How would fix or repair this.
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Old 13th May 2009, 13:04
falko falko is offline
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Not sure, but maybe you must modify /etc/X11/xorg.conf.
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Old 28th April 2010, 00:25
igor_be igor_be is offline
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Default now display

I would try the following :

Xorg -configure

This will create a new xorg.conf file in your home folder.

try to start X with this file :
X -config /home/username/xorg.conf.new

If this works out, replace the xorg.conf in /etc/X11/ with the xorg.conf.new.

Good luck
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Old 27th January 2012, 23:34
hmg hmg is offline
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Wink Thanks. Worked for me

Thanks, igor_be.

I have been grappling with a similar problem for a long time.

The usual recommendation is to use system-config-display, but all I got was

Couldn't start X server on card 0
Couldn't start X server with old config, trying with a fresh configuration
Couldn't start X server on card 0
Error, failed to start X server.
However, I was unable to run Xorg -configure as an unprivileged user:

The '-configure' option can only be used by root.
I ran it as root. I then tried (also as root):

X -config /home/username/xorg.conf.new
That was equivocal but heartening. It looked a bit like it had worked but the only thing on the screen was a white outlined X on a black screen. When I moved the mouse, the X moved.

I was unable to terminate this session. I had to go to another virtual console and kill X.

I replaced /etc/X11/xorg.conf as explained.

Then, as an unprivileged user, I invoked my usual incantantation for levitating my windows environment (olvwm) - and it worked!

Thanks again,

Last edited by hmg; 27th January 2012 at 23:38.
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Old 23rd March 2012, 11:58
shreef_1990 shreef_1990 is offline
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i have the same problem i got a black vnc screen when starting it
but when using
Xorg -configure
i get
Xorg -configure
_XSERVTransSocketOpenCOTSServer: Unable to open socket for inet6
_XSERVTransOpen: transport open failed for inet6/shreef.shreef.tk:0
_XSERVTransMakeAllCOTSServerListeners: failed to open listener for inet6

X Window System Version 7.1.1
Release Date: 12 May 2006
X Protocol Version 11, Revision 0, Release 7.1.1
Build Operating System: Linux 2.6.18-53.el5 x86_64 Red Hat, Inc.
Current Operating System: Linux shreef.shreef.tk 2.6.18-274.12.1.el5xen #1 SMP Tue Nov 29 14:18:21 EST 2011 x86_64
Build Date: 22 February 2012
Build ID: xorg-x11-server 1.1.1-48.90.el5 
        Before reporting problems, check http://wiki.x.org
        to make sure that you have the latest version.
Module Loader present
Markers: (--) probed, (**) from config file, (==) default setting,
        (++) from command line, (!!) notice, (II) informational,
        (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(==) Log file: "/var/log/Xorg.0.log", Time: Fri Mar 23 17:53:32 2012
List of video drivers:
No devices to configure.  Configuration failed.
any way to solve that
i am using centos 5.7 x64 xen
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Old 28th September 2013, 19:43
jasonorland88 jasonorland88 is offline
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same problem here..
Do I get into the terminal mode when the X server error comes up? I tried doing this but when I type "service kdm stop" I get the message "kdm: unrecognized service" and the rest of the command doesn't work (Xorg:1 command not found etc)
When I type the "nano /etc/X11/xorg.conf" I get a black screen with some buttons at the bottom
Again thank you for your help!
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