1. Memory card problem: The memory of the memory card of the driving recorder is full, and a black screen of the driving recorder may appear. Users can clear the memory and slim down the memory card.
2. The battery life is too low: If the driving recorder is turned on for a long time, the battery life will be reduced, resulting in no power and a black screen. Users should charge or replace the battery in time.
3. Loose battery cable: The driving recorder is connected to the power supply through the car cigarette lighter and USB interface. If the user accidentally collides, the power interface may be loose, the driving recorder will be black, and the user can plug in the power cord again.