Solaris latest CPU patch graphics/gui issue

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http://www.unix.com – We just installed the latest Oracle Solaris 10 Sparc 64-Bit CPU patch (10/2012) and we are no longer able to access the GUI or the console after the OBP. We believe that this is a graphics issue. It has affected out t2000 xvr-200 graphics server and also out v440 xvr-100 graphics server. We are still able to login remotely via ssh/telnet but we cannot login directly via the console or through the gui (monitor or kvm). On the T2000 we are getting a white screen with black distorted lines and on the v440 we are getting an error 'The X-Server can not be started on display:0'. We have tried (HowTos)