If your computer is from a major brand, their customized drivers are often more stable.
Download the Intel I217/I218/I219 PCIe Ethernet Controller Driver which covers the I218-LM.
The most reliable way to get the latest driver is through official manufacturer channels. Avoid third-party "driver updater" software which may bundle unwanted tools. download intel ethernet connection i218-lm driver
If the standard installer fails or you only have the raw driver files ( .inf or .cab ), follow these steps to install via : Intel® Ethernet Adapter Complete Driver Pack
To ensure your network adapter works correctly, you must specifically designed for your operating system. This hardware is a common Gigabit Ethernet controller found in many business-class laptops and desktops. Where to Download the Official I218-LM Driver If your computer is from a major brand,
Use the Lenovo Support Portal for ThinkPad or ThinkStation systems.
You can find the Intel Network Adapter Driver for Windows 10/11 directly on the Intel Download Center. Avoid third-party "driver updater" software which may bundle
Use the Intel® Driver & Support Assistant to automatically identify and install the correct version for your hardware. How to Install the Driver Manually