doesn't work at 1000Mbps

my plugable usb 3.0 ethernet adapter is working but onle at 100Mbps. sn 140539 looked at adapter settings and it only goes to 100 then auto …


Hello Bill,

Thank your for contacting Plugable Support! I apologize for the issues you are encountering with our USB Ethernet adapter, but you’ve come to the right place. We are here to help!

We have a troubleshooting tool that helps us find out what is going on in situations like this. Please plug the device into your computer, then go to this page and follow the instructions there:

Please email the output of that program to, do not post it here.

Once I have that information, I will be in a better position to help you resolve your issue.

Ivan (
Plugable Technologies