In my new SSD harddrive I changed BIOS into UEFI and partition table form mbt to gpt. I installed Windows , updated it , installed Linux . I used Linux whole day. At the end of the day I used Widnows a little bit. Now I cannot boot Linux. I used boot-repair, firstly something poped out that I have to turn off the boot security or smth like that ,so I did it in BIOS, then i used boot-repair again (http://paste.ubuntu.com/12679443/) and it should have worked , but it didn't. Now if I turn of my laptop it says "Ubuntu boot failed" .
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Have you tried doing a complete shutdown in Windows - not the quick start stuff, a full shut down?– KGIIIOct 4, 2015 at 13:14
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Can u tell me how I can do it ?– jakubbyOct 4, 2015 at 13:35
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I created a shortcut "shutdown /s /t 0" and used it. But like earlier "ubuntu boot failed" .– jakubbyOct 4, 2015 at 13:47
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The error message you're seeing is one with which I'm not familiar. Could you take a screen shot (digital photo) and post a link to it? The context may provide clues. Beyond that, if Secure Boot is disabled, a USB flash drive or CD-R version of my rEFInd boot manager might at least enable you to boot Ubuntu temporarily.– Rod SmithOct 4, 2015 at 15:07
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I don't really do much with Windows these days so that's why my question was mostly for clarification and troubleshooting @jakubby. Is your BIOS set to boot to the proper bootloader which is on the Windows partition (sda3) according to your pastebin? Other than that, I'm unfamiliar with this error thus it was a question and not an answer. Hopefully it narrows this down for someone else and they can jump in and help while saving some you both some time.– KGIIIOct 4, 2015 at 15:23
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1 Answer
Try restarting your windows by hold SHIFT key to enter UEFI screen (maybe differ with others laptop/computer), then see if there are another ubuntu option in your uefi (because it was happen to me), choose the right option that can makes you logon to ubuntu, then try to reorder uefi boot menu. Otherwise, you can do it by easyuefi from windows. hope that will solve your problem.