Ubuntu 13.04 not detecting operating system Windows 8

Posted by hualur on Ask Ubuntu See other posts from Ask Ubuntu or by hualur
Published on 2013-07-02T10:12:25Z Indexed on 2013/07/02 11:15 UTC
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Filed under:

installation

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boot

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live-usb

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uefi

I have a Samsung NP740U3E with pre-installed Windows 8 (boots with UEFI). I installed Ubuntu 13.04 without problems. Later, Windows 8 did a BIOS update which messed up everything, nothing would boot. I recovered everything and went back to fabric settings.

Now Windows 8 works fine, but when I try to install Ubuntu it does not detect any operating system, so I can`t install Ubuntu alongside Windows.

I`ve googled as much as I can, ran a boot-repair, disabled fast- and secure-boot. I have a GPT disc, been looking into gdisk without luck.

Here`s my boot-repair summary http://paste.ubuntu.com/5835719/

Is it necessary to convert the GPT disc to MBR? Is it possible to hard-reset the disc "even more" than fabric settings?

Thanks in advance.

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