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So I screwed up not looking deeper into updating 14.04 to 16.04 and simply let the upgrade happen and then encountered the dreaded black screen. Somehow I stupidly managed to get to the point while trying to fix things to where Ubuntu would not boot up and all I got was a black screen with the blinking monitor light or, alternatively, there would be the screen that says something like "no boot disc detected or broken".

Eventually, I discovered how to reconfigure 16.04.1 so I could run it without the black screen crap out and now I have 16.04.1 running on "try out" and still have my "998 gb file/drive" showing on the Ubuntu home screen. Encrypted. Of course I "unencrypted" it with the code, but that wasn't enough...

Though I have freed it because I of course have the encryption code, I cannot not view all (root) because I do not "own" my own files and cannot log in as the official user or whatever. Though I obviously have the encryption password and the user password.

Also, when examining the "998 gb file/drive" there is no material in the "boot" file. Somehow it is gone.

Boot repair disc was a waste of time so far. It obviously didn't repair anything.

What do I do?

I am at a stalemate. I still have my over 200 gb of very important stuff. It is still there. However, when I try and simply install Ubuntu 1604.1 there is no operating system showing in effect (!) and it threatens to overwrite the whole disc wiping everything out. I can't save the saved material to an external hard drive -- it won't let me. So now what?

Please help!

Trevor Markwart
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First of all I would strongly recommend to boot with a Linux live system and do a image backup (maybe with dd on a extra external drive). All test/tries for recovery should be done afterwards. Second I would If possible: create a snap from you backup-data and make tries to repair/changes on the copy and leave the original data as it is as soon you have a solution. Sorry for not providing you a direct help to recover you data right now. After the backup: did you tried the steps described here: How do I mount an encrypted /home directory on another Ubuntu machine? ? If so could you please proved a detailed report what you did and the output of the used commands ?

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