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Why is the car display screen not lighting up?

1 Answers

DeRebecca

07/30/25 12:02am

There are many reasons why a car display screen may not light up. It could be an issue with the vehicle's power supply system, incompatibility between third-party software and the system, or damage to the display screen itself. These issues need to be checked one by one. When this happens, it's best to take the car to an auto repair shop or a 4S store for inspection, where diagnostic computers can be used to troubleshoot electrical equipment and replace the display screen if necessary. If the issue is related to power supply, it might be due to severe battery depletion or unstable battery voltage causing malfunctions in the vehicle's electrical equipment. A multimeter can be used to check the battery voltage. During use, car display screens may experience aging, with many lines showing signs of wear. This can also lead to a black screen, and it is recommended to replace the wiring promptly. If there is no image but sound is still coming from the car display, it might be due to a loose power plug in the navigation display. In such cases, it's advisable to check the wiring harness interface. The car display screen is very prone to damage, so care should be taken not to overuse it.

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