Thank you for taking the time to report this issue.
Following the hints about your laptop model and that the installer failed for you while installing grub, as well as that this issue was not simply a corrupt installation medium as determined by an MD5 sum check, I was able to replicate the issue in a UEFI installation. The issue is now fixed. Explanation:
When installing UEFI grub, the installer failed due to a broken dependency. Here are the relevant log file snippets indicating so:
Feb 1 03:07:38 uberstudent ubiquity: Some packages could not be installed. This may mean that you have
Feb 1 03:07:38 uberstudent ubiquity: requested an impossible situation or if you are using the unstable
Feb 1 03:07:38 uberstudent ubiquity: distribution that some required packages have not yet been created
Feb 1 03:07:38 uberstudent ubiquity: or been moved out of Incoming.
Feb 1 03:07:38 uberstudent ubiquity: The following information may help to resolve the situation:
Feb 1 03:07:38 uberstudent ubiquity:
Feb 1 01:30:30 uberstudent ubiquity: The following packages have unmet dependencies:
Feb 1 01:30:30 uberstudent ubiquity: grub-efi-amd64-signed : Depends: grub-efi-amd64 (= 2.02~beta2-9ubuntu1.7)
Feb 1 01:30:30 uberstudent ubiquity: E
Feb 1 01:30:30 uberstudent ubiquity: Unable to correct problems, you have held broken packages.
Feb 1 03:07:43 uberstudent grub-installer: info: Calling 'apt-install grub-efi-amd64-signed' failed
The reason for the breakage is that the Ubuntu trusty-updates repository currently has a package of grub-efi-amd64-signed
that is missing its required dependencies. One can know this because, for example, we do not see version 2.02~beta2-9ubuntu1.7 of the package grub-efi-amd64 in the below list, which is named above as missing; nor is the missing package in any of the other Ubuntu repositories for trusty:
Screenshot_2016-02-01_01-46-05.png [ 105.55 KiB | Viewed 5594 times ]
I fixed the issue by simply adding the missing grub packages into the uberstudent.net repository
from the Ubuntu trusty-proposed repository
. Your UberStudent installation will now succeed
because the version-corresponding grub packages in the uberstudent.net repository will override
the broken grub packages in the Ubuntu repository. This applies to all UberStudent installations in the 4.* series.
I'm guessing that a lot of distros in the Ubuntu ecosystem are currently facing this same issue--Google will help them find this post. Thanks very much for reporting this bug to me so I could quickly issue a fix.