Thanks for the response.
I never really use CCC except when I add a display so I don't recall the specifics of what it contained before the driver
update. That is why I started the thread.
I noticed that you referred to driver version 11.2.
The Windows Device Manager indicates that the driver version for display adapter is 8.821.0.0 dated 1/26/11.
The difference between the two drivers
is probably due to the difference in the graphics hardware. Yours being ATI 4600 series card and mine being ATI Radeon HD 4200 graphics chip.
Digital Signer is MSFT Windows Hardware Compatibility Publisher.
My displays appear to be working as before so I will leave the current driver version in place.
Thanks for your response. Good luck with solving the problem that you are having with driver 11.2