I gave my old backup, so everything is fine but I can no longer carry out the investigation.
in the system prefs, helicon does not appear and I cannot modify the list except for the geolocation.

https://zupimages.net/up/20/17/2y04.jpeg

I may turn this story in all directions, I do not understand ...

strange, my last answer does not appear

thanks for your help , the USB menu is already on this modeMTP PTP

I think the problem comes from the mac, maybe a software problem? it happened suddenly when i had just shot.

I wrote a report to Helicon.
While waiting to solve the problem I reinstalled my OSX that I had cloned on external HD. By ...

Hello.

I used Helicon soft on a New iMac 4K (H.sierra) and yesterday, remote 3.9.11 lost the connection whith my D300.
The same caméra and cable put on my old macbook pro start very weel whith Remote 3.7.9

If i try to install 3.7.9 on my imac , it does not work.

its apen i playinbg whith helicon ...