Re: I219-V is running at 100Mbps instead of 1 Gbps on new Win 7 install on Asus A170-AR

Dear randavis,

Thank you for your updates.

Please try the driver supplied by Asus* for your motherboard model.  We recommend users to use these drivers for better compatibility since they were tested on your motherboard model.  
https://www.asus.com/support/Download/1/50/1/6/pFVzNyDXB1sUiPOa/30/
*This link will take you off of the Intel website. Intel does not control the content of the destination website.

In case you continue to experience the same issue, please contact Dlink* support to further check on your router's port settings. 

Hope this is helpful. 

Sincerely, 
Sandy