This is the most reliable source for Windows 10 and 11 users. You can search for "82579LM" on the Microsoft Update Catalog to find specific servicing drivers for newer versions of Windows.
This usually indicates a hardware failure or a conflict. intel 82579lm gigabit network connection driver
The Intel Download Center offers a "Final Release" version (Release 25.0) specifically for Windows 7. This is the most reliable source for Windows 10 and 11 users