Repeat post (pls don't flame: Xen video sync on openSUSE 11

Folks,
I tried to find the answer on this BBS’ FAQs, to no avail. I loaded (installed) Xen hypervisor via YaST. It asked that I reboot into “Xen” installation (boot menu). When I tried to select the Xen install, the only thing displayed was fast moving dashes and horizontl lines. I believe that is a sync error. How (and why) did Xen reconfig my vid adapter? How do I gain access to Xen, if I cannot read what I am typing in?

Please advise,
Shamun