How to repair corrupted dash cam video files If any accident or event happens that you want to keep, please stop immediately and swap the SD card in the dash cam to prevent the video file from being overwritten. Use a high capacity SD card (32GB card can provide approximately 6-7 hours of 1080p recording).Use the fastest memory card, preferably Class 10.Park your car and turn off the dash cam before removing the SD card.Tips to prevent Dash Cam Video from being damaged Improperly insert or eject the dash cam SD card.Any interruption during file transfer from dash cam to computer.SD card overused (read/write limit exceeded), resulting in bad sectors.Use the same SD card on multiple devices.You connected the SD card to a virus-infected computer.Continuous recording when dash cam memory card is full.You are recording when the dash cam is running out of battery.You remove the SD card while the device is recording.Common errors that cause dash cam video corruption: They can easily get damaged resulting in file corruption and data loss.

Also, the dash cam saves its recordings on SD cards, which is a vulnerable medium.

Garmin dash cam player software issues