Help Midi Track Buzz

[batchmister1]

Hi

When I open a MIDI or Instrument track in a New Session in Pro Tools, there is a buzzing sound that occurs when I turn on my keyboard or drum machine. This has never happened before. all assistance is appreciated

thanks

Pro Tools hardware: M-Audio Firewire 410

 

[ssscientist]

Is the buzzing sound present even when you try to track midi information?

Have you got a mixer involved that both the drum machine and the keyboard are plugged into?

If not, how do you have your gear plugged into the wall - grounded plug? Some on each wall? Power strip with ground pin removed?

.