black screen in preupgrade from fedora 10 on boot (anaconda)

[j0n!-Sn!p3r]

i did a preupgrade from fedora 10, i have a new line in grub with the "preupgrade to fedora 11" ... when i choose this.. anaconda run with the normal blue screen running anaconda... but a blacks screen apper with the mouse... the installation not follow and only the black screen with the mouse i can see...

some line add to the kernel line of preupgrade fedora 11 to run with another graphical configuration

I have an ati card.

[j0n!-Sn!p3r]

no one cant help me?