Just curious, are you having any of these issues outside of Skyrim?
Some of those I've seen before in Windows (in general) and can be adjusted in CCC.
If it's specific to Skyrim though might be a bit harder for me to troubleshoot.
I'd tell you to be cautious of adjusting for Skyrim in CCC IF you are modding the game with ENB's. Other then that CCC should be helpful if you aren't having any other hardware issues.