What a ghastly afternoon. Power cut 15 minutes before I was due to record an interview with someone in New Mexico. The power came on a minute later, but the iMac was moribund. Luckily I was able to use the phone to email him, and he was cool about rescheduling. But I was stuck with a dead iMac until I thought of searching support. Turns out this was a thing, and there is a procedure, and everything is alright again. But still,