May 18, 2022

Troubleshoot network connection issues in Windows 10

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If you are having trouble connecting to a network and the internet, here are some suggestions to fix the problem in Windows 10.
Solutions to try first

First, follow these steps to try to resolve or narrow down the connection problem.

Restart your PC to determine if the connection issue is resolved. To do this, select the Start button> Power button> Restart. (Be sure to select Restart, not Shut Down.)
Go to Why can’t I connect online? and try applying some of the basic troubleshooting steps suggested.
Generate a report on the wireless network. This report can help you diagnose the problem, or at least give you additional information that you can pass on to others who can help you.
In the search box on the taskbar, type command prompt, long press (or right-click) Command Prompt, and select Run as administrator> Yes.
At the command prompt, type netsh wlan show wlanreport.

This creates an HTML file that you can open in your web browser from the location specified under the command prompt. For more information about the network report and how to analyze it, see the Analyzing the wireless network report article in Fix Wi-Fi problems in Windows 10. Wi-Fi issues in Windows 10).

Make sure the problem is not with your cable modem or your

Internet service provider.
In this case, contact your Internet service provider. In the search box on the taskbar, type command prompt, long press (or right-click) Command Prompt, and select Run as administrator> Yes.
At the command prompt, type ipconfig.

Find the specified IP address next to Default Gateway. Write down this address if applicable. For example: 192.168.1.1
The result should look like this:

Reply from 192.168.1.1: bytes = 32 duration = 5 ms TTL = 64

Reply from 192.168.1.1: bytes = 32 duration = 5 ms TTL = 64

If the ping request is successful and you see results similar to the ones described above, but you still cannot connect to the Internet from your PC, the problem may be with your modem or your service provider. Internet.
Update the network card driver

An outdated or incompatible network adapter driver can cause connection problems. If you recently upgraded to Windows 10, it’s possible that the current driver was designed for a previous version of Windows. Check if a driver update is available.

In the search box on the taskbar, type Device Manager, and then select Device Manager from the list of results.
In Device Manager, select Network adapters> network adapter name.
Press and hold (or right-click) the network card, then select Update driver software> Automatically check for updated driver software. Follow the different steps, then select Close.
If you are prompted to restart after installing the updated driver, select the Start button> Power> Restart. Check if the connection issue has been resolved.

If Windows can’t find a new driver for your network card, go to your PC manufacturer’s website to download the latest available network card driver. If your PC cannot connect to the Internet, you will need to download a driver to another PC and then save this driver to a USB memory disk so that you can manually install it on your PC. You will need the name of the PC manufacturer, as well as the model name or number.
To manually install the network card driver

Do one of the following, depending on the type of file you downloaded from the PC manufacturer’s website:

If you downloaded an executable (.exe) file, just double-click the file to run it and install the drivers. This is normally all you need to do.
If you downloaded individual files and at least one has an .inf filename extension and another has a .sys extension, follow these steps:
In the search box on the taskbar, type Device Manager, and then select Device Manager from the list of results.
In Device Manager, select Network adapters> the name of the network adapter. (If it’s not listed there, check under Other devices.)
Press and hold (or right-click) the network card, then select Update driver software> Browse my computer for driver software.
Successively select Browse, the location where the driver files are stored and OK.
Select Next, follow the steps to install the driver, then click Close.
If you are prompted to restart after updating the driver, select the Start button> Power> Restart. Check if the connection issue has been resolved.

Restore the network card driver

If you just installed a new network adapter driver and your connection was working previously, rolling back to a previous version of the driver may resolve the issue.

In the search box on the taskbar, type Device Manager, and then select Device Manager from the list of results.
In Device Manager, select Network adapters> the name of the network adapter.
Long press (or right click) the network adapter, then select Properties.
In Properties, select the Driver tab, choose Previous version, and then follow the given steps.

If this button is not available, it means that no driver can be restored.

If you are prompted to restart after restoring the previous version of the driver, select the Start button> Power> Restart. Check if the connection issue has been resolved.

If Windows can’t find a new driver for your network card, go to your PC manufacturer’s website to download the latest available network card driver. If your PC cannot connect to the Internet, you will need to download a driver to another PC and then save this driver to a USB memory disk so that you can manually install it on your PC. You will need the name of the PC manufacturer, as well as the model name or number.
Run the network troubleshooter, then network commands

The Network Troubleshooter helps diagnose and restore

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