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Ubuntu Dual boot update win8.1 to win10

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  • 29-07-2015 10:59am
    #1
    mach1982
    Registered Users Posts: 760 ✭✭✭


    I have got a laptop (UFEI) which dual boots win 8.1 and Ubuntu .Now I hardly boot into windows but I mentor at a coder dojo and most kids have windows so it handy to have .Has anyone up dated a similar set up to windows 10 .Will over it write the boot loader?


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    #2
    mach1982
    Registered Users Posts: 760 ✭✭✭mach1982


    Any one ???


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    #3
    excollier
    Closed Accounts Posts: 1,576 ✭✭✭excollier


    It probably will. If you download SuperGrub burn it to cd or usb then you will be able to boot from it and boot back into Ubuntu after Win 10 has taken over the boot process. From that you can then re install grub from running Ubuntu and all should be right again.
    I have successfully done this on a non uefi computer a few times so it's worth a shot.
    Google SuperGrub or Rescatux for more detailed info


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    #4
    mach1982
    Registered Users Posts: 760 ✭✭✭mach1982


    Thanks for the replay , think I have Rescatux some where , got with Linux format


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    #5
    gardeninghobby
    Registered Users Posts: 10 ✭gardeninghobby


    I installed Win10 in the last few days and it removed the grub2 bootloader. I freed up space on the windows partition and then reinstalled mint 17.2. Now I can happily dual boot again.


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    #6
    Johnboy1951
    Registered Users Posts: 13,999 ✭✭✭✭Johnboy1951


    gardeninghobby wrote: »
    I installed Win10 in the last few days and it removed the grub2 bootloader. I freed up space on the windows partition and then reinstalled mint 17.2. Now I can happily dual boot again.

    Why not just reinstall Grub?


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    #7
    gardeninghobby
    Registered Users Posts: 10 ✭gardeninghobby


    Good point. Reinstalling grub is the easier option. In my case, upgrading from win 8.1 to 10 didn't go smoothly. I got some error messages and decided to download a a new iso of win 10. As part of the reinstall, I decided to format the hard disk and start afresh. Reinstalling mint, I noticed the installation disk didn't recognise win 10 so i had to free space on the win partition and then use the mint intall to create ext4 and swap. All good now.


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    #8
    croo
    Moderators, Technology & Internet Moderators Posts: 1,334 Mod ✭✭✭✭croo


    I have read posts online that the linux partitions had disappeared after the update to windows 10. It might be prudent to take note of the disk partitions... just in case. If the worst happens you might be able to recreate (or redefine might be more accurate) the partition.


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    #9
    FSL
    Registered Users Posts: 1,456 ✭✭✭FSL


    Hard drives are not that expensive, why not buy another drive and clone your existing one. You can then upgrade the clone to 10. test out anything you want and if it screws up just go back to your original drive.


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    #10
    Philburns
    Registered Users Posts: 34 ✭Philburns


    I normally boot to a Ubuntu USB then run boot-repair


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