Windows 11 Stopped Detecting Third Display

[Microsoft Windows]

I've been using a three monitor setup (laptop + monitor + TV) for a few years without any problem. One external display is connected through a USB-C hub, the other to an HDMI port. Recently (possibly in relation to the latest update?), Windows 11 stopped detecting a third display. Both the monitor and the TV work as an independent second display, but if both are connected simultaneously it will only detect one of them. Clicking "detect other display" brings the error "we didn't find another display." I've tried your basic solutions: restarting the computer; disconnecting/reconnecting displays

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