Can not install PC-BSD from usb cdrom, Please help.

[techid]

First. I'm sorry for my english.

one day i looking for new OS for my new notebook and i very
interest in PC-BSD but when i boot PC-BSD from my usb cdrom
it show

BTX Loader....
..
... [ some hex code set]

BTX Halt

and then restart in second !

how can i install PC-BSD on my notebook
(no cdrom and floppy drive use usb both)

please help me, i don't want to use windows again.

Thank you.