The software has the wrong COM port or baud rate for your hardware.
Once you have the correct values (e.g., COM2, Baud 9600), edit your sys.txt :
Drive safely, and never let a frozen GPS ruin your journey again. Keywords integrated: Navione GPS software fixed, fix Navione crashes, Navione boot loop repair, sys.txt Navione configuration, Navione no GPS signal, Navione map missing error.
Save the file, eject the SD card, and relaunch Navione. If it loads, you have successfully . Fix #2: Resolving the "Missing Map" or "No Maps Found" Error This is the second most common search under "Navione GPS software fixed." The software launches, but you see a blank grid or a red "X".