Grub errors dual boot Windows 8 / Ubuntu 12.10

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 2012/11/24 11:28 UTC
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dual-boot

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windows-8

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 tow 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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