Fix Network Adapter Error Code 31 in Device Manager On Windows 11/10 PC

Here are the steps on how to fix the error code 31 on your network adapter:

1. Perform a power cycle. This means turning off your computer and router, then turning them back on again. To do this, follow these steps:

   • On your computer, press the power button to turn it off.
   • Unplug the power cable from your router.
   • Wait for a few minutes, then plug the power cable back into your router.
   • Wait for your router to start up, then turn on your computer.

2. Make sure Wi-Fi is enabled in your BIOS. To do this, follow these steps:

   • Restart your computer.
   • When your computer starts up, press the BIOS key (usually F2 or Delete).
   • Use the arrow keys to navigate to the Wireless or Network settings.
   • Make sure that Wi-Fi is enabled.
   • Save your changes and exit the BIOS.

3. Run the Network Troubleshooter. This is a built-in tool in Windows that can help you fix network problems. To run it, follow these steps:

   • Open the Settings app.
   • Click on Network & Internet.
   • Click on Status.
   • Under Advanced network troubleshooting, click on Run the troubleshooter.

4. Run the DISM and SFC commands. These commands can help repair corrupted system files that may be causing the error code 31. To run them, follow these steps:

   • Open a Command Prompt window as an administrator.
   • Type the following command and press Enter:

     DISM /Online /Cleanup-Image /RestoreHealth

   • Wait for the command to complete.
   • Type the following command and press Enter:

     SFC /ScanNow

   • Wait for the command to complete.

5. Disable and enable your network adapter. This can sometimes help to fix driver problems. To do this, follow these steps:

   • Open Device Manager.
   • Expand the Network adapters category.
   • Right-click on your network adapter and select Disable device.
   • Wait for a few seconds, then right-click on your network adapter again and select Enable device.

6. Reinstall your network adapter drivers. You can download the latest drivers for your network adapter from the manufacturer's website. To reinstall the drivers, follow these steps:

   • Download the latest drivers for your network adapter.
   • Extract the driver files to a folder.
   • Open Device Manager.
   • Expand the Network adapters category.
   • Right-click on your network adapter and select Update driver.
   • Select Browse my computer for driver software.
   • Select the folder where you extracted the driver files.
   • Click on Next and follow the on-screen instructions.

If you have tried all of the above steps and the error code 31 is still occurring, you may need to contact your computer manufacturer or a network technician for further assistance.

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