HTPC not booting usb stick to install

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http://askubuntu.com – I have a HTPC Giada Mini PC i35V Powered by Intel® Atom™ D2500 series • Intel® GMA 3600 series • 32GB SSD And I've tried a lot of Linux OS booting and it doens't work, its like, it loads the USB and in the middle of the loading it gives no signal in HDMI and VGA ports. I`ve oppened it and install the SSD on my computer installed the Ubuntu 12.10 and put it back on my HTPC and still happens the same. Its like its install but seems not boot from some parts. Any help is welcome. (HowTos)