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I have USB box with drive I removed from my notebook. The drive contains Ubuntu installation. When I connect it to another computer and choose to boot from USB drive I see error: file '/grub/i386-pc/normal.mod' not found followed by grub rescue prompt.

I already tried the boot-repair utility, as well as http://askubuntu.com/a/229453. I also burned rEFInd as suggested in http://askubuntu.com/a/325883/25614 but there is no menu shown and windows start loading. http://askubuntu.com/a/286028/25614 doesn't seem to be working either (also I don't have --root-directory argument in grub-install --help).

Boot repair info: http://paste.ubuntu.com/6079504/

I tried booting on some older computer and it worked.

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