Realtek RTL8168C 8111C Family PCI E Gigabit Ethernet NIC (NDIS 6.0) Driver

The Realtek RTL8168C 8111C Family PCI E Gigabit Ethernet NIC (NDIS 6.0) driver enables Windows to communicate with your RealTek PCI Express Ethernet adapter for wired network and internet access. It is intended for users setting up a compatible PC, reinstalling Windows, or troubleshooting an Ethernet adapter that appears as an unknown device or cannot connect.

Key Features

• Wired Ethernet connectivity: Supports communication between the compatible network adapter and Windows, allowing access to local networks and the internet.
• Gigabit networking: Enables speeds up to 1 Gbps when used with compatible network equipment and suitable Ethernet cabling; actual performance depends on your connection.
• Device recognition: Helps Windows identify the controller correctly and expose its available settings through Device Manager.
• Connection management: Provides the software interface needed for supported adapter functions, including link negotiation and configurable network options.

How to Install Realtek RTL8168C 8111C Family PCI E Gigabit Ethernet NIC (NDIS 6.0) Driver

1. Confirm your adapter. Open Device Manager and look under Network adapters or Other devices. Check the device name and, if necessary, its Hardware IDs in Properties to confirm the driver matches your controller.
2. Choose the correct package. Before starting your Realtek RTL8168C 8111C Family PCI E Gigabit Ethernet NIC (NDIS 6.0) driver download for Windows, verify compatibility with Windows 11, 10, 8, or 7 and your system architecture. The legacy NDIS 6.0 device label alone does not establish Windows 10/11 compatibility.
3. Download and prepare. Select a free download from a trusted manufacturer or PC vendor source. Choose the latest version explicitly supporting your hardware and operating system, then extract the archive if required. If Ethernet is unavailable, download on another computer and transfer the files using a USB drive.
4. Install the driver. Run the supplied installer and follow its prompts. Alternatively, right-click the adapter in Device Manager, select Update driver, and browse to the extracted driver folder.
5. Restart and test. Restart Windows if prompted, connect your Ethernet cable, and check that the adapter appears without a warning icon. Test access to your network and the internet.

Keep the driver updated when a compatible release addresses connection issues, security, or operating-system changes. Before an update, review compatibility information and keep a copy of your working driver so you can roll back if necessary.

Common Issues and Fixes

• Install fails or rolls back: Run the Realtek setup as administrator and use compatibility mode for the target Windows version. If Windows blocks an unsigned/older package, temporarily disable driver signature enforcement, install, then re-enable it.
• Adapter not detected: Check Device Manager for an unknown/disabled PCIe Ethernet device. Reseat the card or try another PCIe slot, confirm BIOS/LAN is enabled, and install via “Update driver > Browse” pointing to the extracted INF folder rather than only the setup EXE.
• Version conflicts/error 10/31: Remove existing RTL8168C/8111C NIC drivers in Device Manager, including hidden devices, reboot, then install one matching package. Avoid mixing Windows Update and vendor installer versions; roll back if needed.