What Causes a Car Navigation Screen to Go Black While Still Having Sound?

1 Answers
SadieRose
07/29/25 5:45pm
Reasons for a car navigation screen going black while still having sound: 1. The motherboard operating voltage is unstable, causing a crash; 2. The touch screen is damaged; 3. The decoding chip or core module is not working or is damaged; 4. The power plug of the navigation display is loose. Car navigation systems feature GPS global satellite positioning functionality. Once the destination is input into the car navigation system, the system automatically calculates the route based on the electronic map and guides the driver to follow the calculated route during the journey. The car GPS navigation system consists of two parts: one part includes the GPS receiver and display device installed in the car; the other part is the computer control center. These two parts communicate via positioning satellites.
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