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Lost CCTV Login? Here’s How to Perform a CCTV Password Reset

Updated Jun 09, 2026 by eufy team| min read
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min read

Forgot your NVR or DVR password and locked out of your CCTV system? It’s a common issue—but fortunately, you can usually regain access without replacing your equipment or calling a technician. Many CCTV systems include built-in reset options that make password recovery straightforward.

In this guide, you’ll learn several effective CCTV password reset methods, including using physical reset buttons, internal reset points, manufacturer recovery tools, and software solutions.

eufy PoE NVR system

How to Reset Your DVR or Recorder Safely

If you’ve been locked out of your DVR or recorder, there are multiple methods you can use to regain access. Depending on your model, your technical comfort level, and available tools, you can choose the method that works best for you. Below are the most common and effective approaches.

For users specifically looking up how to reset DVR to factory default without password, these methods cover the most reliable ways to do so safely.

1. Use the Physical Reset Button (If Available)

Many recorders have a hidden reset button or pinhole on the back, underside, or side panel. This is the quickest and easiest way to restore factory settings.

If you find one on your device, follow these steps:

  1. Keep the recorder powered on.
  2. Insert a straightened paper clip into the pinhole or press the reset button and hold it down for about 5–30 seconds.
  3. Release when you hear beeps or see LED lights flashing. The unit then reboots and launches the first-run wizard where you can create a new password.

2. Use the Internal Reset Switch or Jumper

How to reset NVR without reset button is a common question for users whose recorder doesn’t have an external reset button. In many cases, there is still an internal tactile reset switch or a two-pin jumper on the main circuit board, though accessing it usually requires opening the device housing.

If you’re fine with opening the housing, here’s how to reset:

  1. Turn off the recorder and unplug it.
  2. Open the device casing carefully, remove the top cover, and locate the internal reset button or two-pin header marked “RESET” or “CLR.”
  3. Power the unit back on while holding the button or shorting the pins with a screwdriver for 30 seconds.
  4. Let go and allow the recorder to restart.

3. Try Default Login Credentials or a Master Password Generator

On older, unbranded H.264 DVRs —especially those generic models with no clear make used in budget CCTV setups—there are two common ways to regain access if you’re locked out. These methods rely on either default login details or a date-based master password.

  1. Option 1: Default Login Credentials

Many legacy DVRs ship with preset usernames and passwords that users often forget to change. In some cases, entering these credentials will log you in directly or trigger the system to reset and prompt for a new password.

Security agencies such as CISA and the FBI strongly recommend changing all default passwords immediately after regaining access, since weak or factory-default credentials are a major target for cyberattacks against CCTV systems and IoT devices.

Common username and password combinations to try:

  • Password: 123456, 111111, 000000, 888888
  • Password: 6036huanyuan, ttvvtthuanyuan (these may work as reset triggers on some models)

Try these combinations one at a time and see if the system either logs in or asks you to create a new password.

  1. Option 2: Master Password Generator

If the default credentials don’t work, many of these DVRs allow you to generate a one-time master password based on the current date and time stamp. In practice, this kind of utility is often referred to as a DVR password reset tool, especially for older generic systems.

Quick steps:

  1. On the login screen, take a photo or write down the date and time displayed.
  2. On a separate computer, download and install a Master Password Generator tool (commonly provided on technical forums or support sites).
  3. Enter the date/time information into the generator and let it calculate a master password.
  4. Input the generated password on the DVR login screen as admin to gain access.
  5. Once logged in, set a secure new password immediately.

4. Request a Reset Code from the Manufacturer

Some manufacturers can create an unlock code from the recorder’s serial number or MAC address:

  1. Locate the serial number/MAC address on the sticker at the back of your recorder.
  2. Contact the manufacturer’s technical support and request a reset code.
  3. Enter the code provided on the login screen to unlock the system.
  4. Set a new password right away.

5. Factory Reset from the Web or Local GUI Session

If you’re still logged in on another device or browser tab, you can perform a factory reset from the software interface.

Here’s how:

  1. Open the system settings menu and go to Maintenance or System Management.
  2. Select Factory Reset and confirm the action.
  3. Allow the recorder to reboot and follow the setup wizard to set a new password.

6. Remove the CMOS Battery (Not Always Effective)

On older models, removing the CMOS battery resets the BIOS, which may include login details. But on modern recorders, passwords are often stored in flash memory, so this method doesn’t always work.

If you decide to try this, here’s how:

  1. Turn off and unplug the recorder.
  2. Open the housing and carefully remove the small coin-cell battery from the board.
  3. Leave it out for 30 minutes to 24 hours.
  4. Reinsert the battery, close the casing, and power the unit back on.

Important Considerations Before Resetting

Before performing any reset, it’s crucial to understand the potential impacts. A factory reset can help you regain access to your device—but it can also lead to loss of important configurations or data. Here are a few things to keep in mind before starting.

  • You May Lose Stored Recordings: Some DVRs and NVRs erase all locally stored footage during a reset. Others may retain video files but delete account information, network settings, or user preferences. If possible, back up your recordings in advance, especially if they’re stored on internal memory.
  • Network Settings Will Be Erased: Resetting your device usually removes custom network configurations like static IP addresses, port forwarding rules, and Wi-Fi credentials. Be sure to jot down any current settings so you can restore them quickly after the reset.
  • Cameras Need to Be Re-Paired: A factory reset typically unlinks all connected Security Cameras from your DVR or NVR. Once the reset is complete, you’ll need to reconnect each camera manually. Depending on the system, this can be simple or time-consuming, so plan accordingly.
  • Firmware May Offer a Better Solution: In some cases, your issue might not require a full reset. Problems like freezing, lag, or login errors could be caused by outdated firmware. Check whether a software update is available, as updating the firmware can often resolve the problem while keeping your settings and footage intact.

Thinking about an Upgrade? Check out NVR Setups from eufy

If your current DVR or NVR is an older, unbranded model that’s starting to freeze, lag, or throw up constant errors, it might be time to consider an upgrade. Outdated systems not only struggle with reliability but can also pose serious security risks due to weak default passwords and a lack of firmware updates.

A modern network video recorder system not only gives you the power of wired PoE cameras for rock-solid connections and 24/7 recording, but also offers intuitive and comprehensive app controls, smart AI features, and robot cyber-security.

The eufy NVR Security System S4 Max is a solid option here. Pairing the eufy 16 MP PoE Cam S4 units and the NVR S4, the system runs AI detection locally and allows you to build a future-proof setup that grows with your needs.

Standout Features of the S4 Max

  • Dynamic Tracking & Auto-Framing: Pan-Tilt-Zoom cameras automatically follow and zoom in on moving subjects up to 50 meters away.
  • Live Cross-Cam Tracking: Cameras coordinate in real-time to maintain continuous coverage without blind spots.
  • AI-Powered Video Search: Quickly locate events by searching with keywords, saving time and effort.
  • Expandable Storage & Setup: Pre-installed 2 TB HDD with support for up to 16 TB, and easy expansion via PoE switch.

Build a Hybrid System with Wired and Wireless Cameras

What really sets the eufy NVR S4 apart is its flexibility. It’s not limited to PoE cameras—you can also integrate eufy’s wireless cameras using two optional modules :

  • Wi-Fi Module: Connects the NVR to eufy Wi-Fi cameras, allowing them to share the same AI features and local storage.
  • Long-Range Module (Not released yet): Extends Wi-Fi coverage up to 1.25 miles, making it easy to secure outbuildings, gates, or other hard-to-reach areas without running cables.

This means you can create a single, unified system that combines the reliability of wired cameras with the convenience of wireless, where it makes sense.

eufy NVR Security System

If you’re also comparing Outdoor Security Cameras to expand your setup, here are some solar-powered eufy Wi-Fi camera options to consider:

The eufy SoloCam S340 PTZ camera combines a 3K wide-angle lens with a 2K telephoto lens for sharp details even in low light and auto-tracking suspicious targets . It comes with a detachable solar panel, so once installed, you won’t need to worry about charging.

The eufyCam S3 Pro 2 Cam Kit includes two 4K MaxColour Vision cameras. These cameras offer full-colour night vision without relying on harsh spotlights and feature dual motion sensors (radar and PIR) to reduce false alerts. With built-in solar panels and large 13,000 mAh batteries, they can run for months on their own.

The eufy Security SoloCam E42 is a smart and reliable home security camera that delivers sharp 4K UHD video, allowing you to capture every detail around your property, including license plates up to 33 feet away. Its AI-powered motion detection and smart tracking automatically follow people or vehicles, reducing false alarms. With PTZ coverage, there are virtually no blind spots, and SolarPlus™ 2.0 ensures continuous, maintenance-free operation with just two hours of sunlight daily.

The eufyCam E40 2-Cam Kit + HomeBase S380 is a Wi-Fi security camera that delivers sharp Quad HD footage with full-color night vision. Its high-capacity battery and SolarPlus 2.0 keep it powered for months, while advanced PIR motion detection and BionicMind AI facial recognition ensure accurate alerts. Local storage eliminates monthly fees, making it ideal for any home.

Conclusion

Performing a CCTV password reset doesn’t have to be difficult. Whether your device supports a physical reset button, manufacturer unlock code, master password workaround, or requires opening the casing to access internal reset points, there are multiple ways to restore access to your NVR or DVR system safely.

Before resetting, remember to back up important footage if possible, record your network settings, and be prepared to reconnect cameras or reconfigure system preferences afterward. With the right method and a bit of preparation, you can quickly regain control of your CCTV system and get your security setup running smoothly again.

FAQs

How to reset DVR password if forgotten?

If you’ve forgotten your DVR password, start by checking if your device has a physical reset button or pinhole. With the DVR powered on, hold this for 5–30 seconds until you hear a beep or see lights flash, then the system should reboot and allow a new password setup. If there’s no button, check for a password reset function on your device’s GUI or contact customer support. For generic H.264 DVRs, using a one-time master password generator based on the on-screen date is another option.

What to do if you forgot your NVR admin password?

If you forgot your NVR admin password, start by checking for a physical reset button or pinhole that can restore the default settings. Many modern devices also offer password recovery through an app or web interface, typically involving email verification or QR code scanning. Alternatively, you can contact the manufacturer directly, providing the serial number, to request a one-time reset code.

What is the default password for NVR DVR?

Default passwords vary widely by manufacturer and model. For older or unbranded models, common combinations include admin/admin, admin/123456, admin/12345, root/root, or user/user, and even simple strings like 000000 or 888888. For branded systems, consult the manual or look for login details printed on the sticker or unit. Most recorders default to admin with a blank or simple numeric password.

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