6 Instant Fixes for WAN Connection Error Windows 10/11

Wide Area Network (WAN) connection errors are not uncommon and are often caused by router port problems, Internet Service Provider (ISP) infrastructure failure, cable damage, or socket failure. The MiniTool website provides some simple and effective solutions to help you resolve WAN connection errors.

WAN connection error

Wide Area Network (WAN) is a network covering a wide area, where almost all other networks are connected to it, and hence it is also called a network of networks. WAN connection errors can be caused by various reasons. don’t worry! The following will guide you through resolving WAN connection errors.

How to fix WAN connection errors?

Preparation: Restart the router

Before starting troubleshooting, power the router and modem. Then, turn off all devices in the network. After waiting for a while, turn on the modem, router, and computer in sequence. If the LED light turns red, you can try the following solution.

Method 1: Check LAN and WAN ports

First, you need to check the LAN and WAN ports. The operation steps are as follows:

Step 1. Connect the power supply to the adapter.

Step 2. Turn on the router and wait for the LED to turn green or white.

Step 3. Find an Ethernet cable, insert one end into the LAN port and the other end into the WAN port. If both the WAN and LAN indicator lights on, there may be no problem with the WAN port of TP-Link.

Method 2: Replace the device and open other websites

If there is no problem with the LAN and WAN ports, you need to determine if the problem is on your device or the website you are trying to connect to. Using another device, check if the WAN connection error persists. At the same time, you can try opening other websites to see if they are accessible. If you can access other websites without errors, the problem may be on a specific website and you can wait for the site owner to resolve the WAN connection error.

Method 3: Use antivirus software to scan

If you often encounter WAN connection errors, it is best to perform an antivirus scan to check whether your computer or router is infected with viruses. Almost all third-party antivirus software offers a one-month free trial, and you can try one to scan your system. While Windows comes with a firewall to protect your computer from malware and viruses, an additional layer of security is always good.

Method 4: Diagnosing network adapter

Using the Windows Automated Troubleshooter tool to troubleshoot network adapters is a good choice. The steps are as follows:

Step 1. Press Win I to open Windows Settings .

Step 2. Go to Network and then Internet > Status > Change Adapter Options .

Step 3. Right-click the network you are currently using and select Diagnostics in the context menu.

Method 5: Replace the modem

Replacing the modem also reportedly helps fix TP-Link WAN connection errors. So you can contact the internet service provider and ask if there is better hardware available for your network.

Method 6: Contact ISP

The last cause of WAN connection errors may be a cable damage. If this is the case, you need to contact the ISP for help and they can quickly help you solve the problem.

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