Put the USB drive back in your MAC...check the files are there then make sure you safely/properly remove it.
Then plug it back into the Pi...try another USB port (and not the USB3 ports)
Check that it us found...you can run from a terminal if needed .
Go to the library tab and do a full regenerate.
Then plug it back into the Pi...try another USB port (and not the USB3 ports)
Check that it us found...you can run from a terminal if needed .
Code:
lsusb
Go to the library tab and do a full regenerate.
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bob
bob