I changed it with a brand new RSHTech seven-port USB hub, along with the black-screen reboots go on. I am stumped today, really starting to suspect my UPS of spikes or momentary cutouts. Anyway I do think the Sabrent is https://dianexeeq758038.blogginaway.com/29072957/not-known-details-about-qvs-usb-3-1-gen-1-type-a-male-to-usb-3-1-gen-1-type-c-female-adapter