This a known issue, see: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=72760
There appears to be a work-around of specifying the screen resolution as a boot parameter. See the end of the bugzilla discussion. Marc. >I've been trying to install it on a Dell Latitude C600 and have run >into a >problem >Everything goes OK until it boots anaconda. It probes the hardware, >finds >the video card and a generic 3-button mouse but fails to probe the >monitor, which is the 14in LCD screen. > >It then brings up the "Type of installation" screen. The unusual >thing >here is that the upgrade option does not appear on the screen and >neither >does any scrollbar. If I select any of the installation options the >system just hangs and I have to reboot.