Click and browse to the extracted driver folder where the .inf files are stored. Select it and click Next to force Windows to read the driver. ⚠️ Troubleshooting Common Issues

Avoid "driver updater" pop-ups and third-party EXE files. Always prefer the chip maker’s official site.

| Problem | Likely Cause | Solution | |----------------------------------------------|-----------------------------------------------|--------------------------------------------------------------------------| | Card not detected in Device Manager | Disabled in BIOS, loose connection, or dead card | Reseat card, check BIOS, test another PCIe/PCI slot | | Driver installs but shows "Code 10" or "31" | Wrong driver for chipset | Re-identify chip using Hardware IDs (VEN/DEV) | | Works on Windows but not Linux | Wrong module loaded / blacklist conflict | Blacklist r8169 and load r8168 (for Realtek chips) | | Intermittent connection or packet loss | Power saving settings or cable fault | Disable "Green Ethernet" / Energy-Efficient Ethernet in driver settings |