[ubuntu] Grub dont load after installation

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http://ubuntuforums.org – I`m tryeing to install ubuntu on my new pc, that already has windows 8 running. But everytime I install ubuntu, it`s dont recognize the grub and or boot direct to windows or give me grub rescue. Used boot-repair, and the boot come back to work, but past that, my ubuntu don`t recognize my mouse and web. Before restarting popup about low graphic setting apears on the screen, but i coudnt do nothing... Did the reinstall several times, same result :( Here my boot-repair report http://paste.ubuntu.com/6060792/ Anyone has any Idea what can I try? (Hardware)