Why is my Ethernet so slow on PC?

For a slow Ethernet connection, there might be many causes. It might be due to loose connections, outdated network drivers, bad internet connection, or DNS, and many more. We have to implement the fixes mentioned below and anyone might fix the issue.

Fix Slow Ethernet speed on Windows 11/10

If you are facing slow Ethernet speeds on Windows 11/10, the following fixes might help you resolve the issue. Before that, check the status of your internet connection, turn off your VPN, check for updates for the network adapters. Let’s get into the details of each method to fix the issue.

1] Run Network Troubleshooters

Run the built-in Network Troubleshooters and see if they help you.

2] Refresh or Reset Network

Open Command Prompt as an administrator and enter the following commands one by one and refresh your network. ipconfig /release ipconfig /renew ipconfig /flushdns  ipconfig /registerdns  nbtstat -rr  netsh int ip reset all  netsh winsock reset  Check if the issue has been resolved after running all the commands.

Incidentally, you can also use the Network reset feature in Windows. Read: Increase WiFi Speed and Signal strength and coverage area.

3] Disable Large Send Offload (LSO)

The Large Send Offload (LSO) on Windows 11/10 improves the overall performance of the network. You can disable it easily in the Properties of the Network Adapter in the Device Manager. Open Device Manager on your PC and click on Network adapters. Then, double-click on your network adapter and select the Advanced tab in the properties. Now, select Large Send Offload in the Property list and set it to Disabled.

4] Change your DNS settings

The DNS provided by your ISP might be out of use or not working properly. You have to change your DNS to the public ones like Google Public DNS, Cloudflare, etc. It will resolve the issue with the ethernet speed.

5] Reset Windows Auto-Tuning Level

Windows Auto-Tuning helps installed programs to receive TCP data over the network. But sometimes, this usage can lead to mainstream internet slowdown on your computer. However, we can interrupt this feature and get our speeds bumped up. It is dangerous to do because it may hamper the responsiveness and usability of your applications. Open Windows Command Prompt with Admin level rights and execute the following command: You will now see a list of TCP Global Parameters and their status. Execute this command to disable Windows Auto-tuning level: Reboot your computer and see if it has helped. If it has not helped in any way, you may enable it using this command: Read: Should you disable Window Auto-Tuning or not? We hope this post helps you increase your Internet speed.

How do I fix slow Ethernet on Windows?

If you are facing a slow ethernet you can fix it easily by checking the status of the network connection, turning off VPN, disabling Windows Auto-tuning, changing DNS settings, disabling Large Send Offload, etc. Related read: Internet not working after Windows Update.