Jun 2024

What to do if your NVR does not detect CCTV camera

As we know, you understand the critical role of the NVR in recording video footage from CCTV cameras. It’s frustrating when the NVR fails to detect cameras, especially when the security of your system is at stake. Whether you’re using Prama cameras or third-party devices, the troubleshooting steps may vary slightly, but the goal remains the same-to maintain a functioning security system.

Here below are the steps to resolve the issue more efficiently

Encountering issues with your NVR (Network Video Recorder) not detecting cameras can be frustrating, especially when you need to ensure your security system is functioning optimally. Whether you are using Prama cameras or third-party devices, the troubleshooting steps vary slightly. Here’s a comprehensive guide to help you resolve this issue efficiently.

Understanding the Problem

When an NVR fails to detect cameras, it can be due to various reasons, including network issues, incompatible devices, or incorrect configurations. Let’s break down the steps to diagnose and fix the problem.

Step 1: Verify Network Connection

Ensure that both your IP camera and NVR are connected to the same LAN (Local Area Network). This is a crucial step because if the devices are on different networks, they won’t be able to communicate.

1. Check Physical Connections: Make sure all cables are securely connected.

Verify that the devices are on the same network segment. They should share the same subnet.

Step 2: Adding Third-Party Cameras

If you are using third-party cameras, the NVR might not automatically detect them even if they are on the same LAN. Here’s what you can do

1. Custom Add Cameras:

Access your NVR’s interface and navigate to the camera management section.

Choose the option to manually add a camera.

Enter the camera’s IP address, username, and password. Then, manually add the IP address to the filling box.

Step 3: Using Prama Cameras

For those using Prama cameras, the process is streamlined but still requires some checks:

1. Verify Same LAN: Double-check that both the IP camera and NVR are on the same LAN and have the same internet connection.

2. One-Touch Adding

When the NVR detects the IP camera, you can use the one-touch adding feature for quick setup.

Navigate to the NVR’s camera management interface.

Locate the detected Prama camera and click on the one-touch *add button* to integrate it into your system.

Troubleshooting Tips

IP Address Conflicts: Ensure there are no IP address conflicts in your network. Each device should have a unique IP address.

Firmware Updates: Make sure both your NVR and cameras have the latest firmware updates to ensure compatibility and optimal performance. Update your device up to date, this helps the device to perform better and smoothly.

Network Switches: If using network switches, ensure they are functioning correctly and not causing any connectivity issues.

Firewall Settings: Check the firewall settings on your router or NVR. Sometimes, firewalls can block communication between devices.


By following these steps, you should be able to resolve the issue of your NVR not detecting cameras. Whether you are using third-party cameras or Prama cameras, ensuring proper network configuration and using the correct protocols are key to a successful setup. If you continue to experience problems, consult with the technical support team of your NVR or camera manufacturer for further assistance.

Ensuring that your surveillance system is up and running is crucial for maintaining security and peace of mind. Regular maintenance and staying updated with the latest technologies will help keep your system efficient and reliable.

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