Maybe he could download the previous version (last working OS) and try installing it in the keyboard again. I don't know if this would work.

Here's a link to R-A-G (Roland Arrangers Group): http://www.daytonamusic.com/rag/download.htm
They have downloads and the folks in the group could probably answer this better than me.

Tom G.

[This message has been edited by TomTomSF (edited 05-06-2002).]