This issue is related to the MAC OS 15 system, many software applications have experienced similar problems, and it has become a topic of active discussion in the Apple forums.
As a temporary solution, when the issue arise after restarting the MAC computer, please try the following steps,
Find the intraoral scan software icon in below picture
1. Close the intraoral scan software icon.
2. Reopen intraoral scan software icon.
3. The Elite scanner should be recognized automatically within approximately 5 seconds.