Reset your Dahua NVR without a password in 2026 using the built-in hardware reset button or a secure software method via USB—no admin credentials needed. This guide walks you through both fast, reliable solutions to restore factory settings and regain access, whether you’re locked out due to a forgotten password or system error. Perfect for installers and users seeking a hassle-free recovery.

How to Reset Dahua NVR Without Password in 2026 Easy Guide

Key Takeaways

• Use the reset button: Locate and hold the reset button for 10 seconds to restore defaults.
• Factory reset via menu: Access the NVR menu using admin rights to trigger a full reset.
• Password recovery tool: Download Dahua’s official tool to reset passwords remotely.
• Check default credentials: Try common defaults like admin/admin if never changed.
• Contact support: Provide device details to Dahua for verified reset assistance.
• Backup first: Save configurations externally before resetting to avoid data loss.
• Update firmware: Ensure latest firmware to prevent reset issues and improve security.

Why This Matters / Understanding the Problem

Imagine you’re a small business owner or home security manager who’s just discovered you can’t access your Dahua NVR (Network Video Recorder). Maybe you forgot the password, inherited a system from a previous tenant, or the admin left without sharing credentials. Whatever the reason, being locked out is frustrating—and risky. Without access, you can’t view live feeds, review recorded footage, or adjust camera settings.

For many, the How to Reset Dahua NVR Without Password in 2026 Easy Guide is more than a technical fix—it’s peace of mind. Dahua NVRs are widely used in homes, offices, and retail stores for their reliability and smart features. But when passwords are lost, the system becomes a brick unless you know the right steps.

Unlike some devices with built-in “forgot password” buttons, Dahua NVRs require a manual reset process. This guide walks you through safe, effective, and legal methods to regain access—without damaging your system or losing your video archives. Whether you’re using a DHI-NVR4104HS, NVR5216, or another Dahua model, these steps apply across 2026 firmware versions.

We’ll cover everything from physical resets to using official tools, all while keeping your data as safe as possible. This isn’t about hacking—it’s about recovery. And by following this guide, you’ll avoid costly technician visits and get back in control fast.

Important: Always ensure you have legal permission to access the NVR. Unauthorized access to surveillance systems may violate privacy laws in your region.

What You Need

Before diving into the reset process, gather the right tools. Having everything ready saves time and prevents mistakes. Here’s your checklist:

• Physical access to the Dahua NVR (you can’t reset it remotely without credentials)
• A USB flash drive (8GB or smaller, formatted as FAT32)
• A computer (Windows or macOS) to prepare files and check firmware
• An Ethernet cable (to connect NVR and router/PC for network access)
• The NVR model number (check the label on the back or bottom of the unit)
• Optional: A monitor and HDMI/VGA cable (for direct screen connection)
• Dahua’s official ConfigTool (downloadable from Dahua’s support site)
• Latest Dahua firmware for your NVR model (from Dahua Support)

Why a USB drive? Dahua uses it for password recovery and firmware updates. FAT32 is required because the NVR won’t read exFAT or NTFS. If you’re unsure how to format it, we’ll cover that in the steps below.

Also, keep your network router nearby. Some recovery methods require the NVR to be on the same network as your computer. And don’t worry—you don’t need to be a tech wizard. This guide is designed for everyday users, not IT pros.

Now that you’re equipped, let’s get into the How to Reset Dahua NVR Without Password in 2026 Easy Guide—starting with the most reliable method.

Step-by-Step Guide to How to Reset Dahua NVR Without Password in 2026 Easy Guide

Step 1: Identify Your NVR Model and Check Firmware Version

Not all Dahua NVRs reset the same way. Some models (like the 4000 series) have different reset procedures than the 5000 or 6000 series. So, start by identifying your model.

Flip the NVR over. On the back or bottom, you’ll find a label with:

• Model number (e.g., DHI-NVR5216-16P-4KS2)
• Serial number
• Hardware version (HW: V2.0, etc.)

Write this down. Then, visit Dahua’s official support site and search for your model. Download the latest firmware and the ConfigTool software.

Why check firmware? Some 2026 models have updated security patches that affect password reset methods. Using the correct firmware ensures compatibility and avoids bricking your device.

Pro Tip: If you can’t access the label, connect a monitor to the NVR. Even if you can’t log in, the startup screen usually shows the model.

Step 2: Prepare a Password Reset USB Drive

This is the heart of the How to Reset Dahua NVR Without Password in 2026 Easy Guide. Dahua uses a special “reset” file on a USB drive to trigger a password recovery mode.

Here’s how to make one:

1. Insert your USB drive into your computer.
2. Open File Explorer (Windows) or Finder (Mac).
3. Right-click the USB drive → Format → Choose FAT32 → Start.
4. Once formatted, create a new folder named dahua (all lowercase, no spaces).
5. Inside the dahua folder, create another folder named upgrade.
6. Download the latest firmware for your NVR model from Dahua’s site.
7. Extract the firmware file (usually a .dav or .zip) and copy it into the upgrade folder.
8. Now, create a text file named reset (no extension) in the dahua folder. Leave it blank.

Your USB should now have this structure:

• USB Drive
  • dahua
    • upgrade → [firmware file.dav]
    • reset.txt (blank file)

Warning: The file must be named exactly reset (no .txt extension). Some systems hide file extensions—turn them on in Folder Options to avoid mistakes.

Step 3: Power Off and Insert the USB Drive

Now, it’s time to interact with the NVR. Shut it down safely:

1. Unplug the power cable from the NVR.
2. Wait 10 seconds (this clears the power supply).
3. Insert the prepared USB drive into one of the USB ports on the NVR (front or back).
4. Plug the power cable back in.

As the NVR boots up, watch the indicator lights. Most models have a USB or HDD light that blinks during activity. If the USB light blinks rapidly for 10–20 seconds, the NVR has detected the reset file.

After about 1–2 minutes, the NVR will automatically reboot. This means the reset process has started. The system will now erase admin passwords and restore factory defaults—but keep your recordings.

Note: Some newer 2026 models may require a 3-minute wait. Don’t unplug the NVR during this time.

Step 4: Access the NVR After Reset

Once the NVR reboots, it will be in a “fresh install” state. Here’s how to access it:

1. Connect the NVR to your router using an Ethernet cable.
2. Turn on a monitor connected to the NVR (via HDMI or VGA).
3. Wait for the login screen to appear.
4. Enter the default credentials:
   • Username: admin
   • Password: (leave blank) or admin123

Some 2026 models use admin123 as the default. If blank doesn’t work, try that.

If you don’t have a monitor, use Dahua’s ConfigTool to find the NVR on your network:

1. Install ConfigTool on your computer.
2. Run it → Click “Search” to find all Dahua devices on your network.
3. Right-click your NVR → “Modify IP” to set a static IP if needed.
4. Click “Login” → Enter admin and blank password.

You’re now in! But don’t stop here—set up a new password immediately.

Step 5: Set a New Admin Password and Configure Security

After logging in, the NVR will prompt you to set a new password. This is critical—don’t skip it.

Follow these best practices:

• Use a strong password: At least 8 characters, with uppercase, lowercase, numbers, and symbols (e.g., Cam3ra!2026).
• Store it securely: Use a password manager (like Bitwarden or 1Password).
• Enable two-factor authentication if available (in System → Security).
• Update the firmware: Go to System → Maintenance → Upgrade and install the latest firmware from your USB.

Also, check your recordings:

• Go to Playback → Select a camera → Choose a date.
• If videos are missing, the reset may have affected storage settings. Re-enable recording schedules.

Pro Tip: After the reset, your cameras may disconnect. Re-enable them in Camera → IP Camera and re-enter credentials if needed.

Step 6: Alternative Method – Using Dahua’s “Password Recovery” Tool (For Advanced Users)

If the USB method fails (rare, but possible), Dahua offers a Password Recovery Tool for authorized users. This requires:

• Proof of purchase (invoice or receipt)
• Device serial number
• Request form from Dahua’s support team

Here’s how to use it:

1. Contact Dahua Support via their contact form.
2. Submit your proof of ownership and serial number.
3. They’ll send a recovery file (.xml or .bin) for your specific NVR.
4. Copy this file to a FAT32 USB drive in a folder named dahua/recovery.
5. Insert the USB, power cycle the NVR, and wait for auto-reset.

This method is more secure and doesn’t require firmware updates. But it takes 1–3 days to get approval.

Only use this if the USB reset fails. For most users, the first method works 95% of the time.

Pro Tips & Common Mistakes to Avoid

Even with clear steps, things can go wrong. Here’s how to stay on track with the How to Reset Dahua NVR Without Password in 2026 Easy Guide.

Tip #1: Always backup your firmware. Before resetting, if you can access the NVR, go to System → Maintenance → Export to save configuration files. This lets you restore settings later.

Tip #2: Use the right USB size. Dahua NVRs often don’t recognize drives over 8GB. Stick to 4GB or 8GB for best results.

Tip #3: Label your USB. Use a marker or tag to write “Dahua Reset” on the drive. Avoid confusion with other USBs.

Warning: Avoid third-party “password crackers.” Tools like “Dahua Unlocker” or “NVR Password Breaker” are scams. They may install malware or corrupt your system. Stick to official methods.

Mistake: Forgetting to format as FAT32. NTFS or exFAT won’t work. Always double-check the format before proceeding.

Mistake: Unplugging during reset. The 1–2 minute window is critical. Power loss can brick the NVR. Use a UPS if power is unstable.

Tip #4: Test the USB on another device. Plug it into your computer after formatting to confirm the folders and files are visible.

Also, remember: Resetting doesn’t delete recordings—but it does reset network settings, camera connections, and user accounts. After the reset, you’ll need to:

• Reconnect cameras (if they disconnect)
• Re-enable motion detection and alerts
• Set up remote access (via DMSS app or web portal)

Take notes during setup so you can repeat the process if needed. And always keep your new password in a safe place.

FAQs About How to Reset Dahua NVR Without Password in 2026 Easy Guide

Q1: Will resetting the NVR delete my video recordings?

No. A factory reset only clears user accounts, passwords, and network settings. Your recorded videos remain on the hard drive. However, if you manually reformat the drive during setup, you’ll lose footage. Stick to the reset method described here.

Q2: Can I reset the NVR remotely without physical access?

No. Dahua requires physical USB insertion for security reasons. Remote resets are only possible if you still have admin access. If you’ve lost both physical and network access, the USB method is your only option.

Q3: What if the USB method doesn’t work?

Try these fixes:

• Re-format the USB as FAT32 again.
• Double-check the folder structure (dahua/upgrade and dahua/reset).
• Use a different USB port on the NVR.
• Contact Dahua Support for the Password Recovery Tool (as in Step 6).

Q4: Can I reset a Dahua DVR (not NVR) the same way?

Yes, with one difference: DVRs (analog) often use a reset button on the back. Hold it for 10–15 seconds with the power on. But for DVRs without a button, the USB method works similarly.

Q5: Is this method legal?

Yes—if you own the NVR. Resetting your own device is legal. But accessing someone else’s NVR without permission violates privacy laws in most countries. Always verify ownership first.

Q6: How often can I reset the NVR?

There’s no limit, but it’s not recommended. Frequent resets can wear out the storage drive and disrupt camera feeds. Only reset when absolutely necessary—like password loss or system corruption.

Q7: What if my NVR is part of a larger security system?

Contact the system integrator or installer. They may have a master password or remote recovery tool. Resetting the NVR could affect other components (like access control or alarms).

Final Thoughts

Losing access to your Dahua NVR doesn’t mean losing your security system. With this How to Reset Dahua NVR Without Password in 2026 Easy Guide, you’ve got a proven, step-by-step plan to regain control—safely and legally.

Remember: the USB reset method works for 9 out of 10 cases. Just follow the folder structure, format the drive correctly, and wait for the reboot. No tech degree required.

After the reset, take 10 minutes to:

• Set a strong password
• Enable two-factor authentication
• Update the firmware
• Store your credentials in a password manager

And if you ever face this problem again, keep a reset USB in your toolbox. It’s the ultimate backup plan.

Your security system should work for you—not against you. Now that you’re back in, take a moment to review your camera angles, check recordings, and make sure everything is running smoothly.

Stay safe, stay secure, and never let a lost password keep you out of your own NVR again.