Once your computer has successfully recognized the USB to MIDI adapter, launch your MIDI software or DAW next. If it doesn’t and Windows reports it to be an unrecognizable USB device, chances are you received a faulty cable adapter. The USB adapter will normally be installed automatically on your Windows or Mac computer. At this point, you can hit the keys on your keyboard and check the indicator on the adapter, checking to see if any MIDI signal is being sent. Connect the USB end to an available USB port on your computer. What you’ll have to do is to connect the MIDI in of the cable to the MIDI out of your keyboard. The USB to MIDI adapter cable would have USB on one end and three MIDI ports (MIDI in, MIDI out & MIDI thru) on the other. A midi software or DAW on your PC or Mac.I’ve tested them and the cheaper cables are usually very low quality & sometimes don’t work) A USB to MIDI adapter cable (Don’t be cheap and get the cheapest one.An electronic music keyboard with MIDI out.Often even if the manufacturer specific driver is available when connected to a device which don't allow driver downloads into the operating system (for example iOS devices), the product will still work as a class compliant USB device.This is what you should look for on your keyboard, the MIDI out So if you purchase a MIDI or Audio interface you should always check the product manual and manufacturer's website to see if there is a dedicated USB driver for your product that provides added functionality. Also many audio interfaces are also MIDI interfaces and audio and MIDI travel over the USb cable. These features are only available if you download the driver from Yamaha's website. Because data transfer on USb is much faster than 5 pin DIN it is possible to have multiple ports of MIDI (a port is a group of 16 MIDI channels) on a single USB cable. The dedicated Yamaha USB Driver provides for 8 ports of high speed USB, includes the names of all the devices that are compatible with the driver and has some routing capabilities. But often manufacturer specific drivers provide added functionality.

Class compliant drivers are convenient because you don't have to download any external software.

Yamaha usb midi driver how to use