Hol,tengo un problemon,instale Centos version 5.1 en una i686 con [i]tarjeta grafica:[/i] Mobile Intel(R) 965 Express Chipset Family (320 MB), monitor: Samsung LTN154X3-L01 [15.4" LCD] y el problema es que no inicia en modo grafico sino en modo texto,la instalacion de la distribucion todo en texto.

Este es mi archivo xorg.conf:-------------------------------------------------------------------------------------
Section "ServerLayout"
Identifier "Default Layout"
Screen 0 "Screen0" 0 0
InputDevice "Keyboard0" "CoreKeyboard"
InputDevice "Synaptics" "CorePointer"
EndSection

Section "InputDevice"
Identifier "Keyboard0"
Driver "kbd"
Option "XkbModel" "pc105"
Option "XkbLayout" "es"
EndSection

Section "InputDevice"
Identifier "Synaptics"
Driver "synaptics"
Option "Device" "/dev/input/mice"
Option "Protocol" "auto-dev"
Option "Emulate3Buttons" "yes"
Option "LeftEdge" "120"
Option "RightEdge" "830"
Option "TopEdge" "120"
Option "BottomEdge" "650"
Option "FingerLow" "14"
Option "FingerHigh" "15"
Option "MaxTapMove" "110"
Option "VertScrollDelta" "20"
Option "HorizScrollDelta" "20"
Option "MinSpeed" "0.3"
Option "MaxSpeed" "0.75"
EndSection


Section "Device"
Identifier "Videocard0"
Driver "vesa"
EndSection

Section "Screen"
Identifier "Screen0"
Device "Videocard0"
DefaultDepth 24
SubSection "Display"
Viewport 0 0
Depth 24
EndSubSection
EndSection
------------------------------------------------------------------------------
agregue la section monitor i a la section screen igual le agregue monitor,pero nada al dar startx seguia el problema.
Estos es lo que sale del archivo /var/log/Xorg.0.log:
-------------------------------------------------------------------------------------
Build ID: xrg-x11-server 1.1.1-48.13.el5
(==)Log file:"/var/log/Xorg.0.log"
(==)Using config file:"/etc/X11/xorg.conf"
(==)ServerLayout "Default Layout"
(**)|-->Screen "Screen0" (0)
(**)| |-->Monitor "Monitor0" (0)
(**)| |-->Device "Videocard0"
(**)|-->Input Device "Keyboard0"
(**)|-->Input Device "Synaptics"
(II)No default mouse found, adding one
(**)|-->InputDevice "<default pointer>"
(WW)No FontPath specified. Using compiled-in default.
(==)FontPath set to:
unix/:7100,
built-ins
.
.
.
.
.
(II) VESA(0): Total Memory: 119 64 KB banks (7616KB)
(II) VESA(0):Monitor0:Using hsync value of 48.94 kHz
(II) VESA(0):Monitor0:Using vrefresh value of 59.98 kHz
(WW) VESA(0):Unable to estimate virtual size
(II)VESA(0):Not using built-in mode "1024x768"(hsync out of range)
(II)VESA(0):Not using built-in mode "800x600"(hsync out of range)
(II)VESA(0):Not using built-in mode "640x480"(hsync out of range)
(EE)VESA(0):No valid modes
(II)UnloadMOdule:"vesa"
(II)UnloadMOdule:"ddc"
(II)Unloading /usr/lib/xorg/modules/libddc.so
(II)UnloadMOdule:"int10"
(II)Unloading /usr/lib/xorg/modules/libinit10.so
(II)UnloadMOdule:"vbe"
(II)Unloading /usr/lib/xorg/modules/libvbe.so
(EE)Screen(s) found, but none have a usable configuration

Fatal server error:
no screen found
---------------------------------------------------------------------------------
La verdad es que quisiera que me ayudaran, llevo dias en estos y necesito el entorno grafico.Les agradeceria mucho si me ayudan a resolver este problema,gracias

ey tarzan a mi me pasa algo igual a tu problema busque ayuda aca y nada.