1. Please kindly make sure the hard drive has been installed, or the system cannot record.
2. firstly, please refer to 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)