No Graphical effects in Ubutnu 12.04

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http://askubuntu.com – I have recentlu installed the ubuntu 12.04 via wubi inside windows on my laptop. I get Standard graphics at start. But when I install the graphical driver through the additional driver it install the main driver but update installation failed. Then I can't see my standard effects too. I can't see a further way. I have intel i5 3210m with intel HD 4000 graphic card with AMD Radeon HD7670M 1 GB in switchable mode. I need to know how to enable the eye candy on my laptop. I just miss ubuntu without it. Please help!! (HowTos)