This is an information about problems related to USB, sound an Ethernet with a Thunderbolt displays (TD) connceted to a MacBook Pro.
Soltions tried unsuccessfully:
Solution that worked (found thanks to a clue given by Will.G on another thread in this forum):
It looks like TD sound and USB ports are linked to the network Ethernet connexion...
Hope this will help those facing similar problems.
Unfortunately, it stopped functioning again.
Maybe it is a cable problem ?
One fact remains : Ethernet connexion, USB ports and sound work or don't work the three together
Retrieving data ...