How to Install Linux Mint 18 Alongside Windows 10 or 8 in Dual-Boot UEFI Mode

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Matei Cezar

I'am a computer addicted guy, a fan of open source and linux based system software, have about 4 years experience with Linux distributions desktop, servers and bash scripting.

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135 Responses

  1. Joey says:

    Why are we using windows disk management, rather than the linux mint “install alongside windows” option?

  2. Chris says:

    Great walkthrough. Had to change options in UEFI bios to eliminate the legacy option prior to loading the mint DVD; the ‘install alongside windows’ option would not appear.

    • Quincy Acklen says:

      I wondered why this didn’t show up for me. I needed to enable the legacy option to for the usb stick to boot, but then I didn’t have the “install alongside windows” option. On occasion it has appear – so it’s good to know it’s just a BIOS (mis)configuration.

      Also of note, selected any boot loader does not work. The default first partition (1MB) on my NVME drive just leaves me at a grub prompt with no help. (so now I’m reinstalling and surfing the inter while I’ll wait).

      I can see in the screenshot that that second partition matches my second partition (104MB with 33MB free) so I’m trying that now. If it works I won’t be back, but if it fails I’ll be back here to update (since I’ll have some time to kill during the next re-install).

  3. efueyo says:

    Thank you very much.

    Following these instructions, I managed to install LinuxMint 18.2 along with Windows, on a PC with Windows 10 and UEFI.

    I opted to reduce the space of the C: partition using the “Disk Administrator” of Windows. Later, during the installation, I chose the option that allowed me to size the partitions to create in the free space for the LM installation.

    In this step of creating partitions, it is necessary, before pressing “continue”, do not forget to select in “Device Boot Loader Installation”, “Windows Boot” Manager”.

    Best regards

  4. efueyo says:

    Dear all,

    I have a doubt that I will appreciate clarifying, If on the screen to choose the type of installation, Linux Mint automatically detects the Windows boot manager, and I select this option and also the Install Linux Mint along with Windows Boot Manager.

    The installer will automatically create the partitions in the unallocated space, or on the (C:)? Disk.

    • Matei Cezar says:

      If the hard drive has some unallocated space, minimum 10G, then ubuntu will use that space for the installation. However, if the space is smaller or there is no unused space on the disk, then, according to an algorithm, it will automatically shrink some of your hard drive partitions, create partitions and install Linux Mint alongside Windows.

  5. MartinaN says:

    Why using Windows diskmgmt instead of Gparted from the “live” session, which is much faster and safer?

    Why creating partitions from the installer instead of using Gparted? It is also much safer. Installer can mess up partitions table. Especially ntfs one.

    Why is not mentioned that you need firstly disabling this nasty “fast start” mode in Windows? If this is enabled, Linux won’t be able to mount some of its own partitions. Hibernation and suspend can be also disabled (turned off).

    The grub goes always into the partition marked as “EFI“, because not always is labeled as “windows boot manager”.

    And the last one.. The safest way is to boot the machine into the Linux live session from the windows “safe uefi mode“. Tap restart, tap and hold shift key and hit restart. Hold shift key until the “light blue screen” pops up.

    Then go into the menu and select “use a device” -> “uefi usb device”. Or something similar. This is much safer because the uefi “keeps an eye” on the entire boot process. Normal mode can sometimes be a cause for the future problems with the uefi setup.

  6. efueyo says:

    Dear All.
    I have upgraded Windows 7 to Windows 10 and try to install LinuxMint18 now. For this I realized a reduction of 127GB in the disk (C :) leaving it as “not signed”. When I try to install LinuxMint18, it detects the following partitions:

    /dev(sdb1 ntfs  208MB windowa 10 (loader)
    dev/sdb2  ntfs  156715MB  Windows 7 (loader)
    inutil         ntfs   137363MB
    /dev/sdb3 ntfs  21522MB    Windows Recovery
    /dev/sdb 4 fat32  4260MB

    Next I selected the partition without assignment, and it does not let me use “+”, neither format nor do anything.I will be grateful for your suggestions.

    • Matei Cezar says:

      It look like your hard drive in partitioned in MBR style scheme and all four partitions are primary. You need to delete the last partition and create a third partition as extended and then other logical partitions. But first backup data! And what’s the deal with that space between sdb2 and sdb3? is that a partition or what? It has a ntfs label there.

  7. Tony says:

    Did all of the above, but the system STILL boots into Win-10 only.
    re “In order to boot into Linux you must press the special function boot key after restart and from there to further select what OS you wish to start.”
    WHERE is this “special function boot key”?
    I have a 100 MB efi partition as sda2, the Win-10 is in sda5,
    and my Mint system is on sda6,7, and 8.
    I’ve tried using Rescatux to somehow fix the GRUB, but once all bootable devices are removed, the system still only sees Win-10
    Excuse my frustration- it’s the first time I came across a UEFI-enabled PC. I’m used to old BIOS systems! ;-)

    • Tony says:

      And, over several years, I have installed dual Ubuntu / Windows systems often so I’m not a newbie. Except when it comes to this UEFI partition stuff! Guess it’s time I came up to speed. ;-)

    • Matei Cezar says:

      Consult motherboard documentation to find out the boot-up special key.

      • Tony says:

        Please don’t tell me you mean the Del key to access the BIOS. Or, on some mainboards the F10 or F1 key. I’ve been tweaking BIOSes for 10+ years.

        Right now, my messing around with Rescatux has screwed up booting the PC completely. Neither Linux NOR Win-10 boot!

        Caution- Rescatux does not seem to have much UEFI support.

        So I’ll keep looking for..

        • Matei Cezar says:

          Be aware that on some laptop models you can access BIOS/UEFI by inserting a needle in a small hole (orifice) from a sideway of the laptop.

          • aqk says:

            Note here that ALL my UEFI problems have been solved by wiping the whole physical disk clean, changing the laptop’s BIOS to UEFI ONLY, and then re-installing.

            1- Win-10 (latest insider Preview)
            2- Ubuntu Mate 17.04

            Systems now boots into Grub on the Windows EDI partition, and then offers me a choice of either Ubuntu Mate or Win-10.

            Goodbye, old BIOS!
            DO NOT trust Rescatux! It was the problem- converting my initial UEFI into the old BIOS format, and causing my EXT4 and Swap partitions to suddenly change into the old format i.e “free space” ready for an extended partition.

  8. dave says:

    I tried the manual install. Got all the way to the end and it would not let me select the windows boot option. Went back and select the install alongside windows option.

  9. Marg says:

    nice, thanks for this. super easy to follow

  10. Jonathan says:

    got it working nice thanks for the tutorial.

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