What are the reasons why a dash cam cannot start?

1 Answers
DeSamantha
07/29/25 8:29pm
The reasons why a dash cam cannot start may include a depleted or damaged battery, or a faulty power supply circuit. If the dash cam can power on using an external power source, such as through the cigarette lighter socket or a mobile phone charger connected to mains power, then it can be confirmed that the built-in battery of the dash cam is damaged or the voltage is too low, causing the failure to start. The solution is to power the dash cam using an external power source or replace the built-in battery. If there is a broken circuit in the power supply circuit on the dash cam's motherboard, it can prevent normal power supply. Since dash cams usually operate in high-temperature environments, it is necessary to consider whether components on the circuit board have become loose due to soldering issues. The solution is to first remove the SD card or TF card and press the power button to check if the device can start. If it still does not start, check the side of the device for a "RESET" hole and gently press it with a soft object, then press the power button again to see if it starts. If the dash cam starts normally, it indicates an issue with the card. In this case, format the card.
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