You’re welcome. If you’re interested in how I figured it out, it started by reading somewhere that the avionics bus power affects whether the Garmin is on. The next time the screen happened, I noticed that the avionics switch was turning itself off and on. I mean it was doing this visibly in the 3d cockpit. Then I noticed the ignition switch was moving back and forth. So I looked down at the Alpha and fiddled with the switches.
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