This message was posted on behalf of Intel Corporation
Thank you for posting your query in Wired Ethernet communities.
Kindly download the latest igb driver found in this site - https://sourceforge.net/projects/e1000/files/igb%20stable/184.108.40.206/
For the driver installation steps, you may refer to http://www.intel.com/content/www/us/en/support/network-and-i-o/ethernet-products/000005767.html
Hope this helps.