It is recommended that you first confirm whether the brightness of the camera installation environment is too low, so that the camera turns on the infrared mode? If the brightness is enough, but the infrared is still turned on, please refer to the following steps according to your camera type.
Network camera (model from DS):

Enter the IP address of the camera on the computer in the LAN, access the camera alone, enter the configuration-image-day and night conversion, and change the day and night conversion mode to "day" to see if the infrared light will turn off. If it still cannot be turned off, in the system interface, Try to restore the camera to the factory for trial.