Hi I am trying install ubuntu 16.04 as a dual boot on my windows 10 machine (which is an alienware aurora R5). I have two drives, 1 SSD and a 2tb backup drive. I've watched and read several tutorials about dualboot ubuntu and I have encountered a singular recurrent problem.

When I try to install I am not given the option to boot concurrently with my existing windows 10 OS. Even though I have made a partition (20gig) on the SSD drive for this install.

Nevertheless, when I select the option 'do something else' to try and select this partition manually the list of free space options do not list the partitioned drive. It only lists my backup hard drive and what I believe is the USB key.

See image links for current partition allocation and ubuntu installer window for more information.ubuntu_install_window current_partition

I have read up on the forum about this and haven't found an answer yet. I did find someone asking a similar question but with no answer.

Issues with dual boot (Ubuntu + Windows), UEFI and SSD

So my question is... How do I make ubuntu installer either recognize windows 10 and install automatically or recognize my partition so I can install manually?

What I have done is...

  1. I have turned off fast boot,
  2. I have tried with secure boot disabled and enabled.
  3. I have tried partitioning the back-up drive and the ubuntu installer still doesn't see that partition.
  4. I tried to just run Ubuntu to test it and that crashes every time...
  5. I did install Ubuntu using virtualbox using the .iso file so I know it is possible.

Any advice which be much appreciated...

  • I had an issue with Windows 7 -> Windows 10 -> Windows 7 where my registry thinks that I have both windows installed, not two copies of 7 but both windows versions, meaning my boot is really awkward for my computer (will boot, then restart and boot again) - So I recommend checking that it isn't happening to you. :) – Jack Hales Oct 23 '16 at 2:14
  • Is your SSD a regular SATA device, or does it plug into a PCIe slot or something more exotic? If the latter, chances are it's not supported by Ubuntu -- at least, not 16.04. (The newer 16.10 might conceivably support it, but I can make no promises about that.) – Rod Smith Oct 25 '16 at 15:11

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