Dando uma olhada aqui no /var/log/Xorg.0.log percebi que o sistema está carregando o arquivo /etc/X11/xorg.conf.failsafe ao invés do /etc/X11/xorg.conf. Agora resta saber por quê.
Alguém poderia me dar uma ajuda com o /var/log/Xorg.0.log abaixo?
OBS.: Não está completo porque extrapolou o limite de 20 mil caracteres)
X Window System Version 1.3.0
Release Date: 19 April 2007
X Protocol Version 11, Revision 0, Release 1.3
Build Operating System: Linux Ubuntu (xorg-server 2:1.3.0.0.dfsg-12ubuntu8)
Current Operating System: Linux floyd 2.6.22-14-generic #1 SMP Sun Oct 14 23:05:12 GMT 2007 i686
Build Date: 29 September 2007
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: Sun Nov 11 21:52:32 2007
(==) Using config file: "/etc/X11/xorg.conf.failsafe"
(==) ServerLayout "Default Layout"
(**) |-->Screen "Default Screen" (0)
(**) | |-->Monitor "Failsafe Monitor"
(**) | |-->Device "Failsafe Device"
(**) |-->Input Device "Generic Keyboard"
(**) |-->Input Device "Configured Mouse"
(WW) The directory "/usr/share/fonts/X11/cyrillic" does not exist.
Entry deleted from font path.
(==) FontPath set to:
/usr/share/fonts/X11/misc,
/usr/share/fonts/X11/100dpi/:unscaled,
/usr/share/fonts/X11/75dpi/:unscaled,
/usr/share/fonts/X11/Type1,
/usr/share/fonts/X11/100dpi,
/usr/share/fonts/X11/75dpi,
/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType
(==) RgbPath set to "/etc/X11/rgb"
(==) ModulePath set to "/usr/lib/xorg/modules"
(II) Open ACPI successful (/var/run/acpid.socket)
(II) Loader magic: 0x81ea440
(II) Module ABI versions:
X.Org ANSI C Emulation: 0.3
X.Org Video Driver: 1.2
X.Org XInput driver : 0.7
X.Org Server Extension : 0.3
X.Org Font Renderer : 0.5
(II) Loader running on linux
(II) LoadModule: "pcidata"
(II) Loading /usr/lib/xorg/modules//libpcidata.so
(II) Module pcidata: vendor="X.Org Foundation"
compiled for 1.3.0, module version = 1.0.0
ABI class: X.Org Video Driver, version 1.2
(++) using VT number 9
Vou continuar verificando aqui e desde já agradeço a ajuda que puderem dar.
[]s.