Dual monitor setup quit working with recent update ?

[Linuxguy123]

Further to my last email, I can now only run a graphical session with my
2.6.30 kernel.   All the others fail to start the x session.

$ yum list kernel
Loaded plugins: dellsysidplugin2, downloadonly, kmdl, priorities,
refresh-
              : packagekit
1 packages excluded due to repository priority protections
Installed Packages
kernel.i586                     2.6.29.6-213.fc11
@updates
kernel.i586                     2.6.29.6-217.2.3.fc11
@updates
kernel.i586                     2.6.29.6-217.2.8.fc11
@updates
kernel.i586                     2.6.30.5-43.fc11
@updates