RTK NIC Driver Installer |

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You don’t need to rely on guesswork. Here’s how to verify the driver status on Windows 10 and 11:

| Symptom | Likely Cause | Verified Fix | | :--- | :--- | :--- | | “Windows found driver but encountered error” | Previous unverified driver left registry keys | Run pnputil /delete-driver oemXX.inf (find correct OEM# in C:\Windows\INF\setupapi.dev.log ) | | Ethernet shows “Unidentified network” | Driver signing enforcement blocking the install | Boot into (temporary) or use the verified signed driver from Realtek. | | Link speed stuck at 100 Mbps | Unverified driver disabled “Energy Efficient Ethernet” or “Gigabit Lite” | In driver properties → Advanced → Set “Speed & Duplex” to 1.0 Gbps Full Duplex manually. | | Blue screen DRIVER_POWER_STATE_FAILURE | Conflict with Windows Fast Startup | Disable Fast Startup (Power Options → Choose what power buttons do) and reinstall the verified driver. |

def verify_driver_package(driver_package_path, expected_hash, certificate_path): # Calculate hash of driver package with open(driver_package_path, 'rb') as f: driver_package_hash = hashlib.sha256(f.read()).hexdigest()