installing on Lenovo D30 w/ UEFI: no bootloader?

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http://ubuntuforums.org – Hi everybody-- I've got a shiny new Lenovo D30 and am working to install Ubuntu 12.04. (New to Ubuntu but knowledgeable at the unix command line.) The machine came pre-loaded with Windows 7, and Wubi worked fine. I removed Windows to install Ubuntu as the sole operating system using a 12.04 64bit LiveDVD (made from the .iso and verified). Alas, after much tinkering the problem persists: "Error 1962: No operating system found. Press any key to repeat boot sequence." I've been working from these great instructions. In the BIOS, I disabled Quick Boot and set "UEFI Boot Mode" (Hardware)