odd problems with Gnome

HI all, I'm experiencing an odd problem that has me stumped. I am trying to load CentOS 6 on a home PC. The install goes fine, and after reboot into runlevel 3 the system seems to work fine. However, I can't get to a Gnome desktop. system details; motherboard = ASRock 880GMH/USB3 onboard video = ATi Radeon HD 4250 install details; CentOS 6.0 x64 chose Basic Server install yum install fglrx (ATi driver from ELRepo) yum install "X Window System" "GNOME Desktop Environment" symptoms; boot into runlevel 3 works fine startx from command line results in a plain desktop with just Computer, "root's Home", and Trash icons - no taskbar or other desktop goodies, "Open in Terminal" doesn't launch an x-term boot into runlevel 5 hangs I am guessing the problem has to do with X and/or Gnome, since startx can sorta kinda startup X Windows on the console. But I don't have any experience troubleshooting window managers/environments. Can someone get me started on the debugging process? thanx

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