1. Please kindly make sure the hard drive has been installed, or the system cannot record.
2. firstly, please refer to the below instruction to confirm the status of the hard drive:
3. If the status is normal, please check if the recording setting is correct or not:
Here are the manuals:
https://help.annke.com/hc/en-us/articles/360000250061 (24h recording)
https://help.annke.com/hc/en-us/articles/360000249742 (motion detection recording)