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Check the physical connection
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2
Run the network troubleshooter
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3
Update or reinstall the network driver
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4
Reset the network settings
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5
Replace the network adapter
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Here’s what else to consider
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If you are working in technical support or want to learn more about computer repair, you need to know how to diagnose and repair a computer's network adapter. A network adapter is a device that allows a computer to connect to a network, such as the internet, through a cable or wirelessly. Sometimes, a network adapter may malfunction or fail, causing network connectivity issues or errors. In this article, you will learn the most effective ways to diagnose and repair a computer's network adapter using some common tools and methods.
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1 Check the physical connection
The first step to diagnose and repair a network adapter is to check the physical connection between the computer and the network. If you are using a wired network adapter, make sure the cable is plugged in securely to both the computer and the router or modem. If you are using a wireless network adapter, make sure the device is switched on and within range of the wireless signal. You can also try to use a different cable or device to see if the problem persists.
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2 Run the network troubleshooter
The second step to diagnose and repair a network adapter is to use the network troubleshooter, a built-in tool in Windows that can detect and fix common network problems. To do this, open the Start menu and type "network troubleshooter" in the search box. Then, click on "Identify and repair network problems" from the list of results. Follow the instructions on the screen, wait for the troubleshooter to finish, and restart your computer if any issues were fixed. After that, check if the network adapter is working properly.
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3 Update or reinstall the network driver
The third step to diagnose and repair a network adapter is to update or reinstall the network driver, which is a software that controls how the network adapter communicates with the operating system and the network. This may be necessary if the driver has become outdated, corrupted, or incompatible, leading to network issues or errors. To update or reinstall the network driver, open the Device Manager by pressing Windows key + X and selecting Device Manager from the menu. Then expand the category of "Network adapters" and right-click on your network adapter. You can select "Update driver" to search for and install the latest driver for your network adapter, or select "Uninstall device" to remove the current driver from your computer. If you uninstalled the device, restart your computer and Windows will automatically reinstall the driver for your network adapter. Finally, check if the network adapter is working properly after updating or reinstalling the driver.
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4 Reset the network settings
The fourth step to diagnose and repair a network adapter is to reset the network settings, which can restore the default configuration of your network adapter and clear any cached or corrupted data that may interfere with the network connection. To reset the network settings, open the Settings app by pressing Windows key + I, click on "Network & Internet", select "Status" from the left pane, and then click on "Network reset" from the right pane. Confirm your action by clicking on "Yes" and wait for the process to complete. Restart your computer and check if the network adapter is working properly after resetting the network settings.
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5 Replace the network adapter
The fifth step to diagnose and repair a network adapter is to replace the network adapter, which is the last resort if none of the previous steps work. A network adapter may be damaged or faulty due to physical wear and tear, power surges, or other factors. To replace the network adapter, first turn off your computer and unplug it from the power source. Then open the case of your computer and locate the network adapter, which is usually a card that is attached to the motherboard or a slot on the case. Unscrew or unclip it from its place and disconnect any cables or wires that are connected to it. Insert the new network adapter in the same place and reconnect any cables or wires that are required. Close the case of your computer, plug it back to the power source, turn on your computer and check if the network adapter is working properly after replacing it. Following these steps can help you troubleshoot and resolve most of the common network problems or errors that may affect your computer's performance and connectivity.
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6 Here’s what else to consider
This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?
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