Aero snap feature not working on install, but worked on Live CD

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http://askubuntu.com – I've recently installed Ubuntu 11.10 on my laptop. I tried the Live CD and the aero snap feature worked fine. Unfortunately, once I installed the OS onto my machine the aero snap feature no longer works. I've tried different UI sessions i.e. Unity and Unity-2D. Tried installing/removing graphic drivers. My graphics card is Nvidia Geforce GT435M. (HowTos)