I'm in a situation similar to the one described in this post ALERT! /dev/disk/by-uuid/xxxxxxxxx does not exist. Dropping to a shell
I have 2 internal hard drives. The original Ubuntu 14.04 LTS installation booted from
/dev/sdb1 as swap.
I tried a clean installation on
/dev/sda2 from an USB stick and booting it gave me the same issue.
/dev/sda3 (the original windows 7 recovery partition) works perfectly.
Booting from the USB stick, the filesystems on
/dev/sdb2 look OK.
Obviously I tried the suggested procedures on
/dev/sdb2 and on
/dev/sda2 but with no result.