Hrm, this time I tried a `halt -p` and that actually did power off the system, so at least I've got that. Previously, I was trying the shutdown from the system menu, or `shutdown` from bash....I'll try that again, just to see.
OK, I found that shutting down was working, so I was trying to figure out what had changed (apart from making this thread)...and it was that I had disconnected the monitor from the dock. If I plug it in, then I can't shut the computer down...
Any ideas how to fix this?
Last edited by davidmaxwaterman; 10-23-2017 at 11:23 AM.
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