I had a power failure last night, now I can't start the GUI on my RedHat 7.2 system. When it tries to enter run level 6 and launch the GUI login, everything on the monitor looks like it is scrunched into the upper 25% of the screen and the system completely hangs. I booted from the RH rescue CD and changed /etc/inittab so it only boots to run level 5 without the GUI but the problem is, I have no idea what to do to diagnose and fix the problem. I'm very familiar with Unix OSes while I'm at a shell prompt in a telnet session but I'm a complete n00b when it comes to that thar fancy X interface.
Any suggestions on where to look first?
TIA

Any suggestions on where to look first?
TIA