Techspot posted a guide about troubleshooting and fixing Windows 8's Boot Configuration
Windows 8 received a decent amount of enhancements on the desktop side that I tend to appreciate versus running Windows 7, even if that means I get Metro standing in the middle here and there occasionally. One such area of improvement is notification management and how it handles updates and system restarts. Running the final version of the OS for a few months now, it’s been a painless affair until this past weekend.Troubleshooting and Fixing Windows 8's Boot Configuration
I shut down my desktop PC with the purpose of connecting new hardware and on the way out I was prompted to “update and shutdown”. Sure, why not. I went on to install a secondary SSD for maintenance purposes and apparently that was enough for my system to refuse booting right after. I tried to backtrack to no avail.