I changed it with a brand new RSHTech seven-port USB hub, as well as the black-monitor reboots go on. I'm stumped at this moment, really starting to suspect my UPS of spikes or momentary cutouts. Anyway I think the https://haimammoy397421.jaiblogs.com/55470423/rumored-buzz-on-adafruit-industries-usb-mini-hub-with-power-switch