Right-click your Ethernet controller (often named "Realtek PCIe GbE" or "Intel Ethernet Controller") and select .
Leo’s hands trembled as he grabbed his old laptop from the closet. It was slow, dusty, and ran on pure spite, but it had Wi-Fi. He downloaded the correct Realtek Ethernet driver from his motherboard manufacturer’s site. Saved it to a USB stick shaped like a cat.
If no installer exists or it fails:
Now that you know the model, go to the manufacturer's website.
For , go to your motherboard brand’s support page . Example: