How to debug Ubuntu's booting errors?

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http://askubuntu.com – I downloaded Ubuntu 12.10 beta1 iso and have been trying to boot from it using a UBS stick. But every time I try to boot it freezes and all I can see is the Ubuntu logo, which gives no idea about the cause of the freeze. I want to know if there is way such that instead of showing the Ubuntu logo, the installer would show me console output, so I could know what the actual problem is. I know its still a beta software, but I don't want my 750 MBs to go waste. (HowTos)