How to check the network card?
If you suddenly have an Internet connection and the provider says that there are no problems on his side, you should make sure that your network card is ok. On how to understand the types of network cards, we have already told in one of our previous articles How to find out which network card is installed on your PC. Now let's talk about how to check it for faults.
Ways to check the network card
Before starting a more serious diagnosis, check to see if the network cable has fallen out of the socket - maybe someone accidentally pulled it. If the network cable is in place, you will have to deal with the network card itself.
If you do not have a built-in motherboard, but a separate network card, first you need to make sure that it also did not fall out of the blue and firmly in the socket. Open the computer case and check if the card is well installed in the slot. If there are no problems here, it's time to move on to software diagnostics.
The most obvious way to check a network card is to look into the Device Manager.To do this, use the Start menu to open the Control Panel, go to the System and Security section, click the System link, and then click the Device Manager link. If you have Windows 8, you can simply press the [Win] + [X] keys and select Device Manager from the list that appears.
In the Device Manager window, expand the Network Adapters section. If the network card is faulty, it will be indicated by a red cross. If there is an exclamation mark next to the name of the network card, the problem is in the drivers. It may be worth updating or reinstalling them.
You can make sure that the network card is working or malfunctioning in another way - via the command line. To open it, click "Start" and go to the "All Programs> Accessories" section, and in Windows 8, use the same [Win] + [X] keys.
At the command prompt, type ipconfig / all and press [Enter]. Remember the address specified in the line “IP4-address” - they belong to your network card. Now enter the ping command and this address, and then press [Enter] to start sending test data packets to your network card. If, according to the results of this command, there is no information about the lost packets, then the network card is healthy. If you could not “get through” to it, you will have to think about replacing it.
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