No GUI--only console and xclock.

[Rohan Kulkarni]

Hello,
         My Fedora 7 is not giving a GUI.I just get a terminal and an
xclock.While installation i had selected the KDE desktop.On clicking on the
desktop i get a list which says
Iconify
Resize
move
Raise
Lower
Xterm
Delete
etc....
I have an LG 1515S TFT monitor,NVIDIA Geforce 7300GT Graphics card,AMD
Athlon 64 3000+ processor,160GB SATA hard disk,1GB RAM and MSI-MS7191
motherboard.
I have set the resolution to 1024*768 and both my monitor and graphics card
have been detected properly.What can be the problem?How can I solve
it.Ihave attached the
xorg.conf file
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