What a Tuesday we had!
When my Mint 17 installation on my bedroom computer requested I apply the day’s updates, I dutiflly ran them. On rebooting however, I was greeted with a lovely error message that I had no mountable volumes!
Quickly booting to my Grub Repair Disk I was hoping for a simple fix, but even the repair disk couldn’t resurrect my old machine.
Back to the Mint web site to download Mint 17, I installed it on tumb drive and spent the next 4 hours reinstalling Linux, and restoring my last backup. Fortunately, my last backup was only one day old, so I didn’t lose anything!