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I just did a boot-repair because I can't run windows 8.1 from the grub (I see many options but none works) and I got this result: http://paste.ubuntu.com/9558801/

My question is : Should I care about the following message :

No boot loader is installed in the MBR of /dev/sda.

Is it the origin of the problem?

rom
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2 Answers2

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Looks like you are using UEFI booting and GPT partitions (the newer way). So you can ignore the message about the missing MBR.

I suggest running gparted and checking if your /dev/sda2 partition has the boot flag. For some reason, that seems like a common problem. I've answered a similar question previously.

Eero Aaltonen
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  • Thanks for your answer. I just checked with gparted: /dev/sda2 does have the boot flag (and only that one). – rom Dec 18 '14 at 11:39
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Problem solved!

I just had to disable Secure boot in the bios and now I can boot both in Linux (Lubuntu) and Windows.

I still have 5 entries for Windows, some work, others don't and I don't know why... As long as it works :D.

rom
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