Here are the steps for rebooting this camera when you get a chance. After you complete the reboot, let me know, and I can see if that resolves the issue or if we need to get you that new SD card.

• Using the screwdriver that came with the camera, unscrew the side covering
• Locate the reset button on the side of the dashcam.
  
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• Press the reset button for about five seconds. You may need to use a paperclip
• Caution: Pressing the button too hard can damage the hardware.
• The reboot menu appears on the dashcam screen.
  
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• Press the Event Trigger button.
  
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• The dashcam restarts.