Laptop port has problem i figure out

Thanks you all my buddy to hellping me it got resolved .my laptops ethernet port has a problem its supports 1 gbps in past but maybe some hardware got damged recently so that giving me 100 mbps.

I already tried all the port s and also change nic settings

In 2. What is auto mx ? Are you talking about properties of realteck drivers?

Yehh

Yes my nic has gigabit support i check alredy

I m ordering new cable for that to see what a problem