Horst-Otto you are a genius, and save my life. Can you try uninstalling the drivers first, then installing the newest version you can find? Saturday, October 28, 9: Your local electronics store may have different optocouplers. Hadeed Jul 21, , 3:

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It is not easy but someone did it and it worked OK. Going to connect my oscilloscope and check what happens to SysEx messages right now. This 2 power are floating logilik to each other, they do not share a common.

There’s a problem loading this menu at the moment. I have also tried three different USB cables but loilink shouldn’t be an issue since the keyboard is showing up in Windows. See questions and answers.

Use a passive usb hub on those ports. Can it be some other USB driver is interfering with this driver stack? Wednesday, November 13, 9: A quick assembly on the breadboard and a bit of soldering for ground, 5V and data lines to get to this:.

This can be beneficial to other us members reading the thread. The USB cable did not have these parts populated and used a common ground for signal transfers.


The problem is that resistor coupling instead optoisolator needs both power supply, Midi Source and Midi Interface shares the same ground and this is not happening in cheap devices. Hi, I recently bought two of these adapter cables, both labelled differently, but using miei same PCB with no opto-isolator fitted.

MIDI in over USB problem

We will automatically apply an Amazon. After a reboot everything went back to working. Thank you for this, I went back to the store that i bought it and dared him that if theres is missing components he has to give me a more expensive working cable, he took the bet and I won and now I have a 50 dollar midi to usb cable: Hadeed Jul 21,1: PC to keyboard is okay, but lovilink to PC is not functioning.

Sounds like that would relate to MIDI data. Visit the Delivery Destinations Help page to see where this item can be delivered.

It worked fine in Windows 7it had problems in Windows 8. After trying everything I could find I decided to take a chance and enter the forbidden land I can guarantee you if PC works, t will. Be the first to review this item Amazon Bestsellers Rank: More about midi cable driver issues. Can we have clear final photos of the board, components used and correct wiring for those that did work?


USB MIDI not working in Windows 7 Pro bit

Don’t see what you’re looking for? So it oogilink like it may be a Windows 7 config problem on my machine, and I’m hoping someone here can give me some advice on how to fix it. No wonder it did not work!

Any suggestions will be welcome. Got rid of the R11 Soldered opto-coupler in U1 and it was a perfect fit for the pinout. Remove From My Forums. This seemed to work.

I also did the regedit trick before. Amazon Second Chance Pass it on, trade it in, give it a second life.