Boot-Repair Stuck in Reinstall GRUB

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http://askubuntu.com – I've bought new laptop Sony Vaio E14P series. It has pre-installed Windows 8, and I want to dual boot it with Ubuntu 12.10 64bit. I have diabled secure boot and install Ubuntu without any problem from live USB. When I reboot after installation, it directly boot to windows 8, dont load GRUB at all. So I went to live USB again to boot-repair. It stuck in "Reinstall GRUB" step, i've wait for hours and nothing happen. Here is my boot info http://paste.ubuntu.com/5630288/ There are no fastboot option in bios, UEFI is still enabled (because windows 8 installed in UEFI i guess). any help would b (HowTos)