FC6 startX错误,大家帮帮忙啊.

initt

/var/log/xXorg.0.log文件如下:
急待解决,先行谢谢大家了.
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 2.6.9-34.ELsmp i686 Red Hat, Inc.
Current Operating System: Linux localhost.localdomain 2.6.18-1.2798.fc6xen #1 SMP Mon Oct 16 15:11:19 EDT 2006 i686
Build Date: 04 October 2006
Build ID: xorg-x11-server 1.1.1-47.fc6
        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 Apr 20 02:30:01 2007
(==) Using config file: "/etc/X11/xorg.conf"
(==) ServerLayout "Default Layout"
(**) |-->Screen "Screen0" (0)
(**) |   |-->Monitor "<default monitor>"
(**) |   |-->Device "Videocard0"
(WW) No monitor specified for screen "Screen0".
        Using a default monitor configuration.
(**) |-->Input Device "Keyboard0"
(**) |-->Input Device "Synaptics"
(II) No default mouse found, adding one
(**) |-->Input Device "<default pointer>"
(WW) No FontPath specified.  Using compiled-in default.
(==) FontPath set to:
        unix/:7100,
        built-ins
(==) RgbPath set to "/usr/share/X11/rgb"
(==) ModulePath set to "/usr/lib/xorg/modules"
(II) Open ACPI successful (/var/run/acpid.socket)
(II) Module ABI versions:
        X.Org ANSI C Emulation: 0.3
        X.Org Video Driver: 1.0
        X.Org XInput driver : 0.6
        X.Org Server Extension : 0.3
        X.Org Font Renderer : 0.5
(II) Loader running on linux
(II) LoadModule: "bitmap"
(II) Loading /usr/lib/xorg/modules/fonts/libbitmap.so
(II) Module bitmap: vendor="X.Org Foundation"
        compiled for 7.1.1, module version = 1.0.0
        Module class: X.Org Font Renderer
        ABI class: X.Org Font Renderer, version 0.5
(II) Loading font Bitmap
(II) LoadModule: "pcidata"
(II) Loading /usr/lib/xorg/modules/libpcidata.so
(II) Module pcidata: vendor="X.Org Foundation"
        compiled for 7.1.1, module version = 1.0.0
        ABI class: X.Org Video Driver, version 1.0
(--) using VT number 7

(EE) I810(0): No Video BIOS modes for chosen depth.

(EE) Screen(s) found, but none have a usable configuration.

Fatal server error:
no screens found