1, Enter the camera Settings, click "Memory card management";
2. Confirm whether the recording mode is set to "No recording" in memory card management;
3, if the recording mode is all-day recording or alarm recording, the memory card is no longer recording, it is recommended to restart the device to try;
4, if after a period of time after restart, the memory card still does not record normally, the memory card may be abnormal, it is recommended to insert the memory card into the computer, first copy the video in the memory card to the computer, and then format the memory card, and then reinsert the memory card to the device to try whether it can record normally;
5, if the device inserted after formatting or can not record normally, the memory card should only read but can not write, it is recommended to replace the memory card.