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
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 (learn how to access 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 by downloading the driver from the adapter manufacturer’s website. Usually, drivers can be downloaded from the Support, Drivers or Download section.
Alternatively, you can search “PC model + driver” using your preferred search engine, then you can find the driver download page of your PC directly from the search results. You can download the adapter driver from the driver download page.
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.