Cinnamon, Stuck with 'old style' menu

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http://askubuntu.com – I tried installing nvidia drivers, but that didn't work, so I reverted to the nouveau ones. Everything is almost back to normal except my cinnamon menu is looking strange (and I can't do things like open the menu with the 'windows' key). What I have: What I had before, and what I want: Opening up cinnamon settings and changing the theme does nothing, I've also tried sudo apt-get install --reinstall cinnamon to no avail. Any help would be greatly appreciated. I'm running Linux Mint, so I was unsure whether to post this in Ask Ubuntu or the general Unix StackExchange. I ended up posting (HowTos)