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What is the reason for the intermittent black screen of the car navigation system?

1 Answers

CourtneyDella

07/30/25 4:07am

The intermittent black screen of the car navigation system is caused by poor line contact. Here are the specific reasons for the black screen of the car navigation system: 1. Power voltage issue of the car: Investigate the stability of the car's power voltage to rule out the possibility of unstable voltage. 2. Car navigation cable: If the voltage is stable, check the cables on the back of the device for any issues and replace the connections to eliminate the problem. If the contacts are fine, inspect the display cables of the device; if there are issues, replace them with new ones for testing. 3. Loose power plug of the navigation display: If there is only no image but sound, it indicates a loose power plug of the navigation display; if there is no sound or image at all, it should be a problem with the DVD.

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