If you are facing frustrating WiFi disconnections on your laptop equipped with the Mediatek MT7921 adapter, you are not alone. Many users experience unstable WiFi 6 connections, which can severely disrupt browsing, gaming, and streaming experiences. Fortunately, this guide provides a comprehensive, step-by-step solution to resolve these issues, ensuring that you can enjoy a stable and fast internet connection without interruptions.

Before we begin, make sure you are running Windows 10 or Windows 11, as the instructions are tailored for these operating systems. You should also have administrative privileges to make the necessary adjustments to your system settings.

Step 1: Access Device Manager

To start troubleshooting the disconnections, you need to access the Device Manager. Here’s how:

  1. Open the Start Menu and type Device Manager.
  2. Click on the first result that appears to launch the Device Manager window.

Step 2: Modify Network Adapter Power Management Settings

Next, you will need to adjust the power settings for your network adapter to prevent it from being turned off to save power:

  1. In the Device Manager, locate and expand the Network adapters section.
  2. Right-click on the Mediatek MT7921 network adapter and select Properties.
  3. Navigate to the Power Management tab.
  4. Uncheck the option that says Allow the computer to turn off this device to save power.
  5. Click OK to save the changes.

Step 3: Update Network Adapter Driver

Updating your network adapter driver can resolve compatibility issues and bugs that might be causing your WiFi disconnections. Follow these steps to update your driver:

  1. In the Device Manager, right-click on the Mediatek MT7921 network adapter again.
  2. Select Update driver.
  3. Choose Browse my computer for drivers.
  4. Select Let me pick from a list of available drivers on my computer.
  5. Choose the most recent driver from the available options and click Next to proceed with the installation.

After the installation is complete, restart your computer for the changes to take effect.

Step 4: Reset Network Settings

If the previous steps didn’t resolve the issue, resetting your network settings can help restore connectivity:

  1. Open the Start Menu and type Network reset.
  2. Click on the Network reset option that appears.
  3. In the Network reset window, click the Reset now button.
  4. Confirm by clicking Yes when prompted.

Your computer will restart automatically, and network settings will be restored to their default state.

Extra Tips & Common Issues

To ensure a smoother experience with your WiFi connection, consider the following tips:

  • Ensure that your WiFi router’s firmware is updated to the latest version.
  • Try changing the WiFi channel in your router settings to reduce interference from other networks.
  • Check for physical obstructions between your laptop and the router that might be weakening the signal.

Common issues may include driver incompatibility or older hardware not fully supporting WiFi 6 features. If problems persist after following this guide, consider consulting with technical support for further assistance.

Conclusion

By following these steps, you should be able to resolve the random disconnections associated with your Mediatek MT7921 adapter. A stable internet connection is crucial for seamless online activities, and implementing these fixes can significantly enhance your experience. If you continue to face issues, don’t hesitate to explore additional troubleshooting resources or guides tailored to specific connectivity problems.

Frequently Asked Questions

What should I do if the problem persists after following the steps?

If you still experience disconnections, consider checking your router settings or contacting your internet service provider for assistance.

Can I revert the changes made in Device Manager?

Yes, you can return to the Device Manager to re-enable power management for your adapter if needed.

Is it safe to reset my network settings?

Yes, resetting your network settings is safe and often resolves connectivity issues. It will remove all saved WiFi networks and require you to reconnect to them.