Why does my PC not recognize the Ethernet network cable? - Final solution

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Why does my PC not recognize the Ethernet network cable? - Final solution

Next, we present the possible causes why the operating system cancel the network connection and the PC does not recognize the Ethernet cable as well as a permanent solution to this problem.

Reasons why the PC does not recognize the Ethernet network cable

Sometimes the PC does not recognize the Ethernet network cable a due to damage in the wiring, so a permanent solution is required. This physical failure prevents the operating system from establishing the Internet connection. Also, there may be damage to the RJ45 connectors that hinder their normal connection.



It is possible that the problem stems from a null Internet connection or errors in the modem. Also, there may be a network card error. If the Ethernet network cable is not compatible, even the computer will not be able to recognize it.

How can I make my PC recognize the Ethernet network cable?

In order for your PC to recognize the Ethernet network cable, the cause of the problem must first be determined perform a permanent solution. For this reason, we recommend that you follow the steps below.

Check the physical connection

Check if the Link LED lights up when you connect the Ethernet cable to the network card. Therefore you will be able to see two LED indicators. If these do not turn on, the network cable may be damaged, there is no power to the router, or there are loose connections.

Check the RJ45 connectors

Often, the system does not recognize the Ethernet cable in case of damage to the RJ45 connectors. Check that these items are not damaged or cut. Also, check if they are properly connected and if they stay tight against the network cable.



Plug the Ethernet network cable into a different port

A port on the interconnect device may be faulty. In this sense, we advise you to test the Ethernet cable in another port on your device (router, hub or switch) to rule out this possible failure.

Check the compatibility of the network cable if your PC still does not recognize the Ethernet network cable

Have you ever wondered which is the best network cable for internet connection? It is important to know this information as your Internet connection requires an Ethernet cable that is compatible with your network application. Therefore, you should review the type of wiring you have according to its specifications and length.

Check the PCI slots

In order for the system to recognize the network cable, it is necessary to enable all PCI slot and close the orange power tabs. Therefore, each slot will receive the appropriate feed. Also, it's important to know what network adapter you need for your PC and to install it if you haven't already.

Check your network adapter

The network card must be properly installed and enabled in the BIOS. If you have one "PCI" network interface card, reinsert the adapter and check if the connection is established correctly.


Try internet access

To know it status of your internet connection, you can use the Windows command console. Go to the start menu and type cmd in the search engine. Right-click on "Command Prompt" and select "Run as administrator".

You will see the Windows command window where you have to type this command: netsh wlan show wlanreport and press the «Enter» key. You will get an HTML file that will indicate the status of your connection via a report.


Repair the network adapter if the PC does not recognize the Ethernet network cable

To repair the network card, right-click the Internet icon on the Windows taskbar and select "Open Network and Sharing Center".


Go to "Change adapter settings" and right-click on "Ethernet". Finally, choose "Diagnosis" to have Windows take care of correct errors and repair the adapter if necessary. You can also choose to disable the network card and reactivate it so that the failures can be corrected.

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