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Troubleshoot Netgear Error 651: Quick Fix

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Though Netgear routers have lot of advancements, sometimes users may encounter the Netgear error 651 when they try to connect to the Internet using a broadband connection. It is considered as one of Windows’s most common errors. If you know the reasons for this particular issue, then it is easy to solve the error on your own. If your modem is not configured correctly, then you can face the glitch. There are many other reasons as well. The missing sys file, corrupted registry, the conflict between the IP addresses, or the broken internet configuration are the essential causes for this error.

Sometimes, users can resolve this particular error in a moment, but it is not the same case every time. In case you are also confronting the same issue, then read the entire article and get the proper solutions related to the problem.

Effective Solutions To Fix Netgear Error 651

From the below sections find out the most efficient solutions to solve the issue quickly. Hence, go through the article thoroughly.

Method 1: Upgrade Your Windows Version

Upgrade Your Windows VersionSometimes, the error 651 can occur due to an outdated version of the Windows Operating System. So, the first and foremost thing you should try is to update your Windows version and check if the issue is solved. Follow the steps to update your Windows version.

First, navigate to the Windows main screen and tap on the Start menu. Now click on the Start menu Search bar and type ‘Setting’ and hit the Enter key on the keyboard to open the Setting window. Else, you can also go to the Settings window by clicking to the Setting icon, which is located in the notification part.

Click on the “Update and Security” option after starting the Setting window. A new window will open on your screen. Tap on “Check for the update” to see if there have any update available. If you see any suitable update for your Windows version, then click on the download option. When the download is completed, install the latest version of the Windows. Once the entire process is completed, reboot your device to run all the new changes.

Method 2: Update Your Latest Driver For Your Modem

Update Your Latest Driver For Your ModemIf the previous process fail to help you to solve Netgear error code 651, then you can follow this one. Update your latest driver by applying the steps as discussed below. It’s probably you already have the most current driver, but if you’re having trouble with a device, you can try fixing it by updating or reinstalling the driver.

Navigate to the Windows main screen and select the Start button, type Device Manager in the search box on the Start menu. Press the Enter key on the keyboard to select it from the list of results.
Expand a category (like Monitors or Network Adapters) to get the name of your device, then right-click on it, and chose the option “Update Driver.”
Left click on the option “Search automatically” for updated driver software. If Windows doesn’t find a new driver, you can try looking for one on the device manufacturer’s website and go through the on-screen instructions.
In case these steps don’t work, try reinstalling the driver by starting the Device Manager. Right-click on the name of the device, and left click on the Uninstall option. Restart your computer device, and Windows will try to reinstall the driver.

Method 3: Recreating Dial-Up Connection

Recreating Dial-Up ConnectionYour Internet connection might get hanged during connection to the device. So the right solution to solve the problem is to rebuild your dial-up connection. To do so, at first, you need to right-click on “Dial-Up” or “Broadband connection.” After that, select the option “Create A Copy” and then remove your present connection. Then start “Network & Sharing Center” by clicking on it and choose “Change Adapter Setting.” Then, choose “broadband or dial-up connection’ by right-clicking and select “Create Copy.” By this process, you can form a copy of the existing connection. Finally, delete the previous connection and redial the new one.

Method 4: Repair The Registry Key

Repair The Registry KeyA wrong or corrupt registry key can also be the reason for Netgear error 651. But there are certain ways to fix it. First of all, go to the Home screen. Then click on the “Start” option and type “Advanced Startup Options” in the box. Tap on the “Advanced Startup Options” that appears in the search box. You can see a general settings screen will open. You have to spot “Advanced Startup” on the right side of your screen. Tap on the option “Restart now”. The computer starts to restart in the advanced startup mode. Choose the “Troubleshoot” icon and tap on the “Advanced Options”. Next click on the option “Automatic Repair”. The computer starts to Reboot. Choose the administrative account. Automatic repair tool will now detect and adjust any malicious approaches in the registry. If the process completes successfully, then the error may be resolved.

Method 5: Boot The Device In Safe Mode

Boot The Device In Safe ModeSeldom a simple booting in safe mode can resolve the issue as well. To perform this method at first, you need to restart your device if it is switched on.

After that, press the “F8” key on the keyboard. Choose the option “Advanced Boot.” Now press the “UP” or “Down’ arrow on the keyboard for highlighting your selection.

Then, select the option “Safe Mode with Networking” and hit the “Enter” button. You need to wait for some time while the loading takes place. Now, from the Welcome screen choose the login option. Put the credentials like the username and password. Check if the error gets resolved.

Method 6: Disable The Auto-tuning Feature

Disable The Auto-tuning FeatureAt first, click on the Windows Start menu option and then tap on the Search bar. Now type cmd in the search box and press the Enter key to open the Command Prompt window. You can also right-click on the option and select “Run as administrator” to start the window.

Now copy the command given below and past it in the Command Prompt window.

Netsh interface tcp set global autotuning disabled

After all the command is done, try your Internet connection again to see if it works.