Also - if this is something that just now start to act up, check that the Dewalt brushes arent work out. If they are they will arc more => more EMI noise which may be picked up by the USB.
Worth checking.
Also - if this is something that just now start to act up, check that the Dewalt brushes arent work out. If they are they will arc more => more EMI noise which may be picked up by the USB.
Worth checking.