Saitek X52 Flight Control Problem

I recently bought, installed, and configured Saitek X52 flight controllers. When I launch a flight in FSX all instruments are dead. However, if I hit escape to the continue or end flight menu, remove and reattach the USB plug for the controller, then continue with the flight, the instruments are all working. If I switch to an exterior view of the aircraft and return to the cockpit view the instruments are once again dead. It doesn't matter what aircraft I choose. Everything worked fine with my Saitek flight yoke and throttle quadrant. The buttons and controls still function but instruments are all frozen. I also use X-Plane 9 with no problems. Thanks all.