How to Fix PC Not Connecting to Ethernet? (12 Methods)

By Puja Chatterjee on March 22, 2023

You will have a more stable connection than Wi-Fi if you use Ethernet, but that too comes with its own problems and sometimes you may experience a loss in connection, making it unreliable as well.

And, when such a thing happens, diagnosing the issue and fixing it can become a bit tricky in Windows.

However, this is not a permanent or irreparable damage, as you will find in this article. There are lots of simple and complex fixes to this issue. Read on to find out.


What Causes a PC Not to Connect to Ethernet?

Right from a faulty or damaged Ethernet port in the PC or the modem to a damaged cable, there can be a lot of reasons for Ethernet not to work in a PC such as incorrect configuration of the network or any other hardware issues.

More often than not, Ethernet on a PC may not work for other reasons, such as:

Sometimes, even malfunctioning local devices or the ISP service may cause such a problem.

How to Fix a PC Not Connecting to Ethernet?

How to Fix a PC Not Connecting to Ethernet

The most obvious fix for the issue of Ethernet not connecting to a PC is to check whether or not the connection provided by the ISP is active.

This can be judged by the indicator lights on the router as well as beside the Ethernet ports at the back of the CPU case where the Ethernet cable is inserted.

In addition to that, there are also a lot of other solutions to this problem that involve both hardware and software fixes.

Without much ado, start with the basics.

Method 1: Check the Cable Connection

One of the most elementary checks for Ethernet not working on your PC is the cable connection, because sometimes the cable may not be fixed properly or damaged.


LED indicator light

remove the Ethernet cable

both ends of the Ethernet cable

Ethernet ports on the router

Reinsert one end of the Ethernet cable into the port of the router

If you find that the issue has not been resolved, try the same cable on another PC as well as another Ethernet cable on the same PC. This will tell whether the Ethernet cable or the port of the PC is faulty.

After you have made the initial checks, now move on to the following fixes.

Method 2: Reset Adapter Settings


Type control panel in the box

Network & Internet option

Click on Network and Sharing Centre

Change adapter settings

right-click on the Ethernet option

This should connect the Ethernet to your computer. If it does not, then:

 Ethernet Properties

Internet Protocol Version 4

In most of the situations, you will also need to enable both ‘Obtain an IP address automatically’ and ‘Obtain DNS server address automatically’ options.

Obtain an IP address automatically

However, at this point, there may be times when you will also need to change the Domain Name System or DNS server addresses manually. In that case, you will need to proceed as follows:

Use the following DNS server addresses

However, to get the exact numbers, you will need to consult your modem or router manual for its configuration as well as get the other necessary details from your network administrator or Internet Service Provider (ISP).

Restart your computer as well as the router and see whether the issue has been fixed. Usually, this would rectify the error.

If this does not, additionally performing a Network Reset would. The process to follow for it is as follows:

Select the gear icon and click on it to go to Settings

Select Network & Internet from the new window

Advanced network settings

Click on the Reset now button in the next window

Method 3: Using the Internet Connections Troubleshooter

A few internal issues that cannot be detected, but are creating problems, such as Ethernet not working, may be resolved by running the internet connection troubleshooter.


Select Update & Security

Click on Additional troubleshooters

Click on Internet Connections

When done, the troubleshooter will detect the problems and fix the issues within.

Additionally, to be doubly sure that you do not encounter such an issue with the Ethernet connection on your PC, you must ensure that all the drivers are updated.

Usually, when you update the drivers as per the following, there will be no incompatibility issues:

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click on Device Manager

Select Update driver

Search automatically for drivers

Close the window after the driver is updated and restart your PC. This should solve the issue.

Method 4: Uninstall the Ethernet Adapter

Even after trying the above methods, if the issue is not resolved, then there may be issues with the adapter. You should therefore uninstall it.


look for the Network adapters

Uninstall Device confirmation window

Restart your PC, and the issue may be resolved.

Method 5: Try A Few Commands Using the Command Prompt

Sometimes, your Ethernet may still not work after trying out the above fixes. In such a situation, using a few specific commands may help rectify the problem.


Type in cmd

Once the Command Prompt is open, type in the following commands one by one, pressing the Enter key every time:

When done, restart the PC and your problems should be resolved.

Method 6: Turn Off the Firewall and Antivirus

There are lots of instances where the antivirus software or firewall installed in a PC causes problems in detecting the Ethernet connection by the system. It is better to turn them off, albeit temporarily.


Type windows firewall

In the new Customize Settings window, select ‘Turn Windows Defender Firewall on or off’ from the left panel.

Turn Windows Defender Firewall on or off

Turn off Windows Defender Firewall

Alternatively, you can follow this approach:

In the Windows Defender Firewall with Advanced Security window, click on Windows Defender Firewall Properties.

Windows Defender Firewall Properties

Change the Firewall state

Check now to see whether the issue with the Ethernet in your PC has been resolved or not. If it has not, then follow the next process.

Method 7: Uncheck Metered Connection

The metered connectivity may sometimes cause issues with an Ethernet connection. Reversing it is therefore a useful solution.


Select Ethernet from the left panel in the new window

Change the Network profile from Public to Private

Method 8: Resetting Internet Options

The personal settings of your internet connection may also result in such an issue. Resetting it may put things back on track.


Choose Internet Options

Go to the Advanced tab in the new window

Reset Internet Explorer Settings

When all are reset, click on Close in the following window and restart your computer system. You will find that the issue has been resolved.

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Method 9: Reset Power Management of the Ethernet Adapter

Sometimes, the power settings of the Ethernet adapter may also cause the Ethernet not to connect when you use it on your PC.

So, making some changes to its settings may prove effective.


Go to the Power Management tab in the Properties window

Restart your PC so that the changes are applied and the Ethernet starts working again.

Method 10: Disable the VPN

More often than not, if you have the VPN or Virtual Private Network on, the normal functions of your Ethernet connection may be interrupted.

In such cases, it is better to remove or disable VPN as a quick fix to this issue.


Click on VPN from the left panel

Also, make sure that you remove or disable any VPN extensions you may have on the internet browser.

Method 11: Reset LAN Proxy Settings

The proxy setting of the Local Area Network or LAN may cause some interference in the functioning of the Ethernet sometimes. Therefore, it is better to change it to resolve the issue.


Run app


go to the Connections tab

Use a proxy server for your LAN

Finally, click on the OK button to save the changes and exit.

Method 12: Run a Virus Scan

There may be viruses and malware on your PC that are preventing the Ethernet from being connected. Run a scan with the antivirus software installed on your computer and have it removed.


windows security app

select Virus & threat protection

If you have any third-party antivirus software installed on your PC, it will usually show that everything is fine and ‘no actions needed.’ However, it will also override the default Microsoft Defender protection.

no actions needed

You should click on the Open app option to go to its main menu and then start the Scan, even if it shows that the system is secure.

click on the Open app option

You may also choose the Microsoft Defender Full or Offline scan option in case you do not have any third-party antivirus software program installed on your PC, as shown before in Method 6.

Finally, verify whether or not the Ethernet connection on your PC is working.


Ethernet offers several advantages over Wi-Fi, which is why users prefer it more.

However, Ethernet not working on Windows 10 or 11 is a common issue, especially after an update or upgrade.

Thanks to this article, you now know a lot of fixes to this issue, both easy and complex, to try out without wasting any time.