Turn the PSR-E313 on before plugging the USB cable into the computer. Sometimes the handshake fails if the cable is plugged in while the keyboard is booting up.
itself does not have a "Mac driver" because it uses standard MIDI protocol. Instead, the driver you need depends entirely on the you are using: Yamaha Psr E313 Midi Drivers For Mac
Ensure you are using a high-quality USB Type-B cable. Many connection issues are simply due to a cheap or damaged cable. Connect the square end to the "USB to Host" on the keyboard and the rectangular end to your Mac. If you have a newer Mac with only USB-C ports, ensure you are using a reliable USB-A to USB-C adapter or hub. Turn the PSR-E313 on before plugging the USB
Before diving into drivers, it is crucial to understand the hardware capabilities of the Yamaha PSR-E313. Unlike professional synthesizers that often feature multi-port USB connectivity, the PSR-E313 was designed with the home hobbyist in mind. Instead, the driver you need depends entirely on