Well here’s a thing. Yesterday there were a couple of brief power outages, both under a second, separated by an hour or two. The first did no harm other than causing routers etc. to reset and clearing clocks without battery backup.

The second did a little more – my desktop PC is protected against power surges, but the power interruption caused the computer to reset. It booted, but came up with a blank screen rather than my usual “which operating system would you like just now?” Grub boot screen. Um …..

Continue reading →