Installing ubuntu from USB stick

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http://askubuntu.com – I have used the program "Universal USB Installer" to 'save' the ubuntu on my USB stick. So far - good. When I boot the it, I get these options , but on a totally black screen and I can't use them. I choose to install, then it goes to completely black screen and nothing happens.. No install, nothing. I restart and try again - same thing. Can someone tell me how to properly install it? I'm trying to install desktop version 12.04 amd64. PC Specs: Processor - Intel Core i3-2130 Memory - 4 GB Ram Current OS - Windows 7 x64 (HowTos)