There is a sticky thread in the forums and such threads are always just the tip of the iceberg: https://www.raspberrypi.org/forums/viewtopic.php?t=245931 https:

There is a sticky thread in the forums and such threads are always just the tip of the iceberg: https://www.raspberrypi.org/forums/viewtopic.php?t=245931 https://www.raspberrypi.org/forums/viewtopic.php?t=245931 My guess: The VL805 USB 3.0 UAS is broken.