Hi @Vincent Arondel ,
HoloLens 2 is currently not supported in the Q&A forums, the supported products are listed over here https://learn.microsoft.com/en-us/answers/products (more to be added later on).
You can ask the experts in the dedicated HoloLens 2 forum over here:
https://stackoverflow.com/questions/tagged/windows-mixed-reality
https://stackoverflow.com/questions/tagged/hololens
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(If the reply was helpful please don't forget to upvote or accept as answer, thank you)
Best regards,
Leon