求助:硬盘安装红旗6成功但进不了图形界面

大家帮我看看问题所在!我机子是酷睿T5450处理器，英特尔９６５芯片组，NVIDIA8400GS显卡．
启动时的界面如下：
X auth:creating new authority file /root/.serreauth.2073
X Window system version 1.3.0 Release Date:19 April2007
Xprotocol Version11,Revision 0,Release 1.3
Build operating system:linux2.6.18.8-70smpi686 RedFlagvlinux
Current operating system:linux Localhost:localdoman2.6.22.6-1#1 SMP Tuesep406:11:18EDT2007i686
Build Date:04 September 2007
Build ID :xorg-x11-Server 1.3.0.0-50dt3 Before report
ing 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 ,(zz)informational
(ww)warning, (ee)error, (NI)not implemented,(??)unknown
(==)Log file :/var/log/xorg.0.log Time:Fri jun 20 12:59:58 2008
(==)using config file:/etc/x11/xorg.conf
(II)Module already buit-in
(II)Module already buit-in
(EE)NV(0):NO display devices found
(EE)Screen(s)found.but none have a usable configuration

Fatal server error:
no screens found
XIO:fatal IO error 104 (connection reset by peer)onX server":0.0"
after o requests (o known processed )with o events remaining


是显卡驱动不被识别吗?该如何解决？谢谢！！！