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Thread: can't boot to Windows 8 after Ubuntu installation

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  1. #1
    Join Date
    Dec 2008
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    can't boot to Windows 8 after Ubuntu installation

    I just bought a a Samsung series 5 Ultra laptop (NP520U4C-A01UB). I was able to disable the secure boot feature in the bios and install Ubuntu 12.04 (as dual boot with Windows eight). Ubuntu works fine, but I can't boot to Windows in Grub. I get the following messages:

    Code:
    error: unknown command 'drivemap'
    error: invalid EFI filepath
    Does anyone know how to fix or work around this?
    Last edited by parminides; November 18th, 2012 at 04:03 PM. Reason: added tags

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