7 Awesome Ways to Fix Error Code 651 – Network Connection Troubleshooting

Are you receiving error code 651 when trying to connect to the internet? Error code 651 is associated with Network Connection and when you get this error, you may be unable to connect with your LAN Network and Internet Connection. In this article, I will tell you some guaranteed ways to fix this error message.

Error 651: The modem (or other connecting device) has reported an error


Solution 1: Fix using Advanced System Repair Tool

Mostly due to corrupted or misconfigured system file cause this error. There are lots of dependent files and services in Windows PC that are responsible for running Network connection smoothly. If one of this file gets damaged or deleted or replaced by another software, you may receive error code 651. In order to fix this issue easily, you must use the Advanced System Repair Tool.

Windows is made with huge number of dll files, exe files, sys files, various types of services, databases, etc so, it is not possible to keep monitoring all the files always. A brilliant PC Optimizer tool repairs damages, fix errors, update windows and drivers, and eliminate various types of errors silently.

Outbyte PC Repair Tool does all the above task easily and provides you an errorfree and smooth Windows environment to work so that you can focus on your business only.

3 Steps to Fix this Error
Step 1. Download Outbyte PC Repair Tool [File Size: 16.4 MB]
Step 2. SCAN your Windows PC
Step 3. Click Fix button to Repair Error

Solution 2: Run Network Troubleshooter

Network Troubleshooter resets all the settings and fixes the network problem. You can run network troubleshooter as follows:
1. Go to Search and Type Identify and Repair.
2. Select Identify and Repair Network Problems.
3. It will automatically start scanning and fix the problem.

Solution 3: Reset TCP/IP

Resetting TCP/IP is the best way to fix Network Error 651 or Device Driver Error 651. Here are the steps for resetting TCP/IP in Windows PC.

1. Open Command Prompt as Administrator
2. Paste the following text in command prompt and press Enter.
netsh int ip reset
3. Restart your computer. After restarting PC you may not get error code 651.

Solution 4: Update Driver Software

Update network driver in order to fix this error. Go to Device Manager and select your network adapter. Click on it to expand and then right click on that and select Update.

Solution 5: Restart Everything

Restart everything in order to fix this error. Restart Modem, Router, Switch, Network Devices, PC and other devices, disconnect ethernet cables, etc. After that reconnect ethernet cable and start all devices.

Solution 6: Temporarily Disable Firewall/Antivirus

Temporarily disable antivirus and firewall. Firewall is designed to block the incoming suspicious connection. Examine the error after disabling Firewall and Antivirus.

Solution 7: Uncheck Set as Default Option

1. Go to Control Panel > Network & Internet > Network Connections
2. Right click on Broadband connections [WAN Miniport(PPPOE)] and uncheck set as default.


This article tells you how to fix Windows Network Error 651. However, there are also dozens of ways to fix this error and if you found any smart ways to fix it then surely share your ideas in the comment box.

Leave a Reply