Do not go to random "driver download" websites. They are filled with malware and old, broken betas. Here is the safe path:
For Windows:
For macOS:
If you have used other audio interfaces, conflicts will occur. rane sl3 drivers
Cause: Windows update overwrote the driver. Fix: Re-run the v3.9.2 installer. Then, in Windows Device Manager, right-click the SL3 > Update Driver > Browse my computer > Let me pick from a list > Select "Rane SL3" from the list. Do not go to random "driver download" websites
Cause: USB buffer too low or USB port power saving enabled. Fix: For macOS: If you have used other audio