Dahua video recorder can't upgrade the system.

Hello, what you want to ask is that Dahua video recorder can't solve the problem after upgrading? According to the query of electronic digital network, the solution to the problem that Dahua video recorder cannot be upgraded is as follows:

1. Try to restart the device: Sometimes restarting the device can solve some minor problems. You can try to restart the device first.

2. Restore factory settings: If restarting the device does not solve the problem, you can consider trying to restore factory settings, but please note that this will erase all settings and data on the device, including video files and user information.

3. Contact the manufacturer's technical support: If the above two methods can't solve the problem, you can contact Dahua technical support for their help, and they will provide you with a more professional solution.