Display wrong after update today.

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http://forums.fedoraforum.org – I have been away for 10 days and on my return today I did an update which included kernel 3.6.9 PAE and a grub2 update amongst others. After rebooting to the new kernel I find my display which was working previously now comes up with desktop not aligned, it starts in the middle of my display and wraps around, ie shifted about 50% to the right (if that explains it - I'm not sure). Anyway setting display options in settings and rebooting does not fix it, however rebooting to kernel 3.6.8 PAE does return my desktop to normal. I use an ATI gfx card with the free drivers and normally it displays my (HowTos)