Following up.
Bought a new powered USB 3 hub so that I would have a spare port for my camera. No crashes so far, so the old hub is definitely suspect. I have had that hub for years and it worked fine on Windows 10. I think it even dates back to Windows 7. Windows 11 seem to be more fussy about...
I am having a similar problem with a new Acer C27. At first I thought it was related to the external DVD drive on the USB-C port, because after a crash the machine would sometimes refuse to reboot unless the drive was disconnected. I returned that drive and bought a different one, but the...