How to troubleshoot Intel® Ethernet Adapters Gigabit speed issues?
Content Type: Connectivity | Article ID: 000035045 | Last Reviewed: 11/28/2022
Using devices that seem to be capped at either 10/100mbps instead of the full Gigabit speed.
Troubleshooting:
After you do these troubleshooting steps, if the issue persists, make sure your local ISP set up the correct requirements for a full Gigabit connection. If this is the case, proceed with replacing the adapter.
Drivers could be the most likely cause of this issue. Sometimes cabling, such as cat-5, isn't sufficient to perform Gigabit speed.