How to deal with slow network speed after using a Virtual NIC on Windows 7

Solution:

Step 1: In windows 7, click "Start Menu" and then click "control panel" as shown in the following figure.

Step 2. Click "control panel" and find the "network and Internet" option below. Click "Network and Sharing Center" and then open "change" in the left-side menu. the following figure shows the adapter settings.

Step 3: on the page that appears, you can find the local connection option. Right-click the option, select Properties, and switch to the advanced column in the properties window, on the Advanced tab, you can find "Large Send Offload", regardless of IPv4 or IPv6, and change its value to "Disabled". Finally, click "OK.

Now, we can do a good job. I hope the article will help you, and I hope it will help you.