How to Fix USB Ethernet Adapter Keeps Disconnecting

Your USB ethernet adapter keeps disconnecting and reconnecting? Don’t worry. In this post, you’ll learn how to fix this problem step by step.

Try these methods

Method 1: Troubleshoot hardware issues
Method 2: Check power management settings
Method 3: Try a Network Reset
Method 4: Reinstall the driver of the adapter
Method 5: Update the driver of the adapter

Method 1: Troubleshoot hardware issues

Firstly, perform hardware troubleshooting to make sure all hardware works properly.

  • Try different USB ports
    Disconnect all USB devices from your computer and leave only the USB ethernet adapter. Then try different USB ports.
  • Check the ethernet cable
    Make sure the ethernet cable is firmly inserted to the ports. If possible, test the cable on another computer or replace it with a new cable.
  • Check the USB hub
    If you’re using a USB hub, test it on another computer or replace it with a new hub.

Method 2: Check power management settings

The power management settings can cause ethernet cutting out. So check the power management settings and modify the settings if you need. Follow these steps:

1) Open Device Manager.

2) Expand the category “Network Adapter”, right-click on the USB ethernet adapter, and then click Properties.

3) At the Power Management tab, check if the checkbox “Allow computer to turn off this device to save power” is checked. If it’s checked, uncheck it and then click OK to save the changes. After that, check to see if the problem is resolved.

If the problem still persists, try Method 3.

Method 3: Try a Network Reset

To fix the USB ethernet adapter’s random disconnection problem, you can try a network reset. To do so:

1) Right-click on the Start menu and then select Settings.

2) Select Network & Internet.

3) Click Status on the left panel and then click Network reset on the right panel.

4) Click the Reset now button, and then follow the on-screen instructions.

If Method 3 doesn’t help, try Method 4.

Method 4: Reinstall the driver of the adapter

Try reinstalling the driver of the USB ethernet adapter, and see if it helps fix the random disconnection problem. Here’s how:

1) Open Device Manager.

2) Expand the category “Network Adapter”, right-click on the USB ethernet adapter, and then click Uninstall device.

3) Click the Uninstall button to confirm the uninstallation.

4) Once the driver is uninstalled, restart your computer then Windows will automatically install a driver for your USB ethernet adapter.

If the problem still persists, you can try updating the driver of the adapter. See Method 5.

Method 5: Update the driver of the adapter

The last resort you can try to fix the problem is to update the driver of the adapter. You can update the driver manually by downloading the driver from the adapter manufacturer’s website.

If you don’t have the time and computer skills to do it manually, you can do it automatically with Driver Easy, which allows you to update the driver with just a few clicks.

Here’s how to use Driver Easy to update the driver of your USB ethernet adapter.

1) Download and install Driver Easy on your computer.

2) Launch the application and click Scan Now to detect any missing and outdated drivers including the drivers for external devices. The scan process will take several seconds. Once done, you’ll see a list of drivers that can be updated.

3) Click the Update button next to the USB ethernet adapter, for example, USB 3.0 to Gigabit Ethernet Adapter. Then the driver will be downloaded automatically. Once the driver is downloaded, you can install the driver easily by following the step-by-step guide provided by Driver Easy.

Note: The Free version of Driver Easy is partly free. If you’d like to access all features including the one-click update feature, you can consider upgrading to the Pro version.

Hopefully you find this post helpful. If you have any questions, feel free to drop a comment below. I’ll get back to you ASAP.

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