[QUOTE=Bob;2229855]I might have the answer. Look for [B]DriveLocker.dll[/B] in C: Program files > Nero > Nero9 > Nero Toolkit or whatever directory you have it installed to. Move DriveLocker.dll out of that folder to a safe place in case you want to move it back and see if your drive(s) shows up.
This first showed up in Nero9 i believe.[/QUOTE]
Just to follow up, I did see your DriveLocker suggestion in another thread as I was searching and tried deleting it but it did not make any difference.
I now have Nero 9 and Nero 7 (burning rom only) running on the same system and DiscSpeed works fine. I have tried versions from 3.x thru 188.8.131.52 with and without DriveLocker and it just works now.
My next test is to uninstall Nero7 completely but if it does not cause a problem I may just leave them running together.