Grub errors during UEFI dual boot for Windows 8 (can't find command 'drivemap')

Posted by luca-mastro on Ask Ubuntu See other posts from Ask Ubuntu or by luca-mastro
Published on 2012-11-24T11:00:30Z Indexed on 2013/06/30 10:28 UTC
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Filed under:

dual-boot

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windows-8

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uefi

I have got a newly bought ASUS N56V with Windows 8 preinstalled.

I needed to install Ubuntu so i partitioned the disk and after having disabled the Secure Boot option from Windows 8 i successfully installed Ubuntu 12.10 from a Live USB. The problem is that if i try to access both to Windows 8 (loader) and Windows Recovery System (loader) from the GRUB menu, these two errors show: can't find command 'drivemap' and invalid EFI file path and it goes back to the grub menu.

In conclusion I do not have access to my Windows 8 partition but can only use Ubuntu. How can I solve the problem? I am pretty new to the matter.

Thank you!

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