install ubuntu on hp envy 4 ultrabook

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http://askubuntu.com – I want to install ubuntu on my hp envy-4 ultrabook. I tried installing it through a live cd. But the screen got handed on the very first screen showing 2 icons at the bottom. Please help. Content of my cd shows wubi.exe instead of .iso file. i downloaded ubuntu-12.04-desktop-i386. (HowTos)