Sunday, September 17, 2017

grub2 - Ubuntu 16.04 no longer boots - black screen with blinking cursor

I have been running Ubuntu 16.04 just fine for about a year. Recently I powered off my machine for a couple hours, and when I turned it back on, it can no longer boot into Ubuntu, it just gets stuck at a black screen with a blinking cursor forever.


To diagnose, I have booted with the boot-repair tool on a USB drive, and captured the boot-info summary. I would greatly appreciate some help in dissecting this information and helping me figure out what has happened.


http://paste.ubuntu.com/p/46y5NKy5GF/


/dev/sdb is a Samsung SSD which is supposed to be the boot drive, and contains the OS. /dev/sda is a WD HDD and just a data drive. /dev/sdc is the USB stick.

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