Jockey says that my Nvidia driver supports desktop effects but changes to compiz don't take effect

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http://askubuntu.com – Jockey (hardware drivers) detect my NVIDIA driver and says it's activated and in use, however, changes to CCSM don't take effect. Jockey's description of my driver: " 3D-accelerated proprietary graphics driver for NVIDIA cards. This driver is required to fully utilise the 3D potential of NVIDIA graphics cards, as well as provide 2D acceleration of newer cards. If you wish to enable desktop effects, this driver is required. If this driver is not enabled, you will not be able to enable desktop effects and will not be able to run software that requires 3D acceleration, such as some games. " I (HowTos)