Thank you Tony (and Alec). Reinstalling with an 'aticonfig --initial -f' 
worked. Thank you! I would not have thought to do that.
Paul
On 02/16/2015 05:17 PM, Hoffmann, Tony wrote:
> Did you try re-installing the catalyst driver?  Sometimes xorg updates overwrite things the proprietary driver install had put in place earlier.
>
>
> Just grasping at straws here.
>
>
> -----Original Message-----
> From: [log in to unmask] [mailto:[log in to unmask]] On Behalf Of Paul Hein
> Sent: February-16-15 3:31 PM
> To: [log in to unmask]
> Subject: AMD Catalyst Driver Broke
>
> The minor update to xorg-x11-server-common-1.15.0-25.1.sl6.x86_64 broke the AMD Catalyst 14.12 (14.501.1003) graphics card driver.  It boots up just fine displaying everything but at the end we get a blank screen.
> The terminal windows are not there either.  It is the latest version of the driver and I am not certain what to do.  The error message is
> (EE) fglrx(0): atiddxDriScreenInit failed. Probably kernel module missing or incompatible.
>
> I tried to downgrade X11 rpms but it says "Only Upgrade available on package".
>
> The graphics card is XFX FX-775A-ZNP4 Radeon HD 7750 and it is in a Dell PowerEdge T110 II.  Any ideas on what I can do?  Thank you for your help.
> Paul