realtek pcie gbe family controller driver - RTL8191SU Wireless LAN 802.11n USB 2.0 Network Ada

If your Ethernet isn’t working or you’re setting up a fresh Windows install, you likely need the realtek pcie gbe family controller driver. This page gives you the correct package for RTL8191SU Wireless LAN 802.11n USB 2.0 Network Ada with a clean, direct file and clear instructions so you can get your network back online fast.

Download - RTL8191SU Wireless LAN 802.11n USB 2.0 Network Ada for Realtek PCIe GBE

Device type: Network Adapters

Supported OS: Windows 10 32 bit, Windows 8.1 32bit, Windows 7 32bit

Driver version: 5.398.0812.2004

File name: driver56397.zip

Date added: 2012-05-21

Model: RTL8191SU Wireless LAN 802.11n USB 2.0 Network Ada

To begin, Click on the download link.

How to install

Troubleshooting common install issues

• Device not detected: Ensure the Ethernet adapter is enabled in BIOS and properly seated. Try a different PCIe slot if available.
• Code 10 or yellow exclamation: Uninstall the device in Device Manager, check Delete the driver software for this device, reboot, then reinstall the realtek pcie gbe family controller driver.
• Wrong driver message: Verify you’re installing for Network Adapters and the correct model RTL8191SU Wireless LAN 802.11n USB 2.0 Network Ada.
• No network after install: Disable power management on the adapter (Device Manager → Properties → Power Management → uncheck Allow the computer to turn off this device to save power).
• Legacy Windows INF signing: On older OS like Windows 10 32 bit, Windows 8.1 32bit, Windows 7 32bit, ignore unsigned prompts or use the Have Disk method.
• Rollback needed: In Device Manager → Adapter → Properties → Driver → Roll Back Driver if a newer package caused issues.

FAQ

Which operating systems does this package support?
It supports Windows 10 32 bit, Windows 8.1 32bit, Windows 7 32bit. For newer Windows versions, use the latest manufacturer release.

How can I confirm the driver installed correctly?
Open Device Manager → Network adapters. You should see Realtek PCIe GBE without warnings. The Driver tab should show version 5.398.0812.2004 (or the version you installed).

Is this the right file for RTL8191SU Wireless LAN 802.11n USB 2.0 Network Ada?
Yes. The package is tailored for Network Adapters using the Realtek PCIe GBE chipset under the RTL8191SU Wireless LAN 802.11n USB 2.0 Network Ada model name.

Do I need to uninstall old drivers first?
Recommended. In Device Manager, uninstall the adapter and check Delete the driver software, then install the new realtek pcie gbe family controller driver.

Why download from driverfiles.net?

We provide curated, malware‑scanned packages with clean filenames and clear metadata, so you can install the realtek pcie gbe family controller driver confidently. Each listing includes Network Adapters, supported Windows 10 32 bit, Windows 8.1 32bit, Windows 7 32bit, model RTL8191SU Wireless LAN 802.11n USB 2.0 Network Ada, file details like driver56397.zip, and version 5.398.0812.2004 to match your system precisely.