Intel® 82579V Gigabit Ethernet PHY has Either a red or a Yellow Exclamation Mark and Changes to 82579LM
Content Type: Troubleshooting | Article ID: 000028256 | Last Reviewed: 07/21/2021
The following problem occurs when the Intel® 82579V Gigabit Ethernet PHY network connection incorrectly reports the device ID as an Intel® 82579LM Gigabit Ethernet Controller network connection during operation, resulting in a Windows * Code 10 error and loss of network connectivity.
Make sure to install the NVM Update Utility Fix for this known issue.
You can find the download instructions and utility at NVM Update Utility for Intel® 82579V Gigabit Ethernet PHY Network Connection.
Note | If the problem persists, contact the manufacturer of the computer to confirm if disabling automatic driver updates is recommended. |