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I would start with using system restore to get back to when the CCC worked correctly. Then we can upgrade the CCC if it indeed needs to be updated. I think AMD would advise to use cat 12.6 for the 4000 series gpu's, but with a lot of laptops you have to use their CCC package.
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Asus P6T Deluxe Intel X58/ i7-920CO@4.2GHZ 24/7 <> CORSAIR DOMINATOR 6GB (3 x 2GB) DDR3 1600.<> ThermalTake ToughPower 1200 WATT PSU
2X ATI Radeon HD 4870 X2 2GB DDR5 <> Asetek Liquid CPU Cooling System
320GBx4 Perpendicular RAID-0/BLU-RAY/HD-DVD Reader / DVD±R/±RW Writer
LG 50" 50PK550 1080p 600Hz Plasma/WestingHouse 37 inch @1920X1080/Windows 7 Pro/64
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