I'm having problems with setting up compiz effects like the cube.. fire etc. I have the number of desktops set to 4 in the Desktop size under general options. I also have a Workspace switcher added to my taskbar. If I press ctr+alt and move the mouse to switch workspaces I Just get a sort of 2D plane that rotates in 3D but I don't get a 3D Cube. I don't think water effects are working and fire effects aren't working. If I switch to another workspace and open a window it just switches me back to my first workspace and dumps it there infront of all my other windows and it seems as if it is not working correctly. I get wobbly windows but that is about all that is working properly.
Also when I click on windows in control centre I get the error message: Cannot start the preferences application for your windows manager. Windows manager "compiz" has not registerd a configuration tool.
There doesn't seem to be anywehre to set transparent windows either, on older versions of gnome and Compiz you could have more effects I'm sure.
I have followed the following links:http://community.linuxmint.com/tutorial/view/1148 [url]and http://community.linuxmint.com/tutorial/view/919[/url] The only problem I have is on the first link where it says"Then press ALT + F2 and run: "dconf-editor", navigate to org > gnome > desktop > vm > preferences and change the "theme" value from "Adwaita" to any other installed theme you want. "
When I press ALT+F2 nothing seem to happen and when I run dconf-editor I don't get anything under the org tree at all so I can't change the value.
Also when I change the windows decoration under apperance preferances nothing happens and I appear stuck with the stock Mint OS brushed aluminium look and Icons.
I am running a SOny Vaio laptop (VGN-AR51M) with a Nvidia Geforce 8400M GT GPU



