Just recently started having a problem with the pop-up window of the RXP GNS 430/530. For some reason, it's completely blank/see through when using the pop-up window. Also, the RXP mounted in the panel is black and won't turn on. I don't believe this is an RXP problem because it happens with the SimFlyer KLN 94 pop-up as well that I've installed in some aircraft. And when using any Carenado airplanes that use the G500, the PFD softkeys are unresponsive. It was working fine a few weeks ago and I've installed a number of add-on's since so it's not easy figuring out what caused it. Is there a known issue with pop-ups that I don't know about and how can I fix this?