: Edirol Orchestral is a 32-bit plugin . Starting with macOS Catalina (10.15), Apple dropped support for 32-bit applications and plugins entirely.
| Problem | Solution | |--------|----------| | Mac doesn’t recognize EDIROL USB | Check System Report → USB. Try different cable/port. | | No sound from module | Check audio cables, volume knob, headphone jack test. | | MIDI not working | Use MIDI Monitor app to see if messages arrive. | | Can’t find macOS driver | Roland never made modern macOS drivers for EDIROL hardware; use class-compliant mode or MIDI interface. | edirol orchestral for mac