This driver download is available for Windows PCs.
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At a Glance
DeviceSiS191 1000 100 10 Ethernet Device
VendorSiS
Supported OSWindows
VersionLatest
File Size—
UpdatedOct 30, 2026
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The SiS191 1000 100 10 Ethernet Device driver allows Windows to communicate with your SiS wired network controller, enabling Ethernet access to your local network and the internet. It is intended for users setting up a PC, reinstalling Windows, or troubleshooting a missing network adapter or an Ethernet connection that stopped working.
Key Features
- Hardware communication: Provides the software interface Windows needs to recognize and operate the SiS191 Ethernet controller.
- Wired networking: Supports the controller’s 10/100/1000 Mbps Ethernet capabilities, with actual connection speed depending on your router, switch, cable, and network configuration.
- Adapter configuration: Enables Windows to expose supported network settings and report the adapter’s status through Device Manager.
- Connection recovery: Installing a compatible driver can resolve issues caused by missing, damaged, or incorrectly matched driver files.
How to Install SiS191 1000 100 10 Ethernet Device Driver
- Confirm your hardware. 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 that the package matches your SiS controller.
- Check Windows compatibility. Before choosing a SiS191 1000 100 10 Ethernet Device driver download for Windows, verify the package’s supported operating systems and architecture. For Windows 11, 10, 8, or 7, use only a package that explicitly supports your setup; older drivers may not work on Windows 10/11.
- Download and prepare the package. Choose a trusted source offering a free download, and check whether the latest version available is suitable for your hardware. If this PC has no internet connection, download the file on another computer and transfer it using a USB drive. Extract the archive if required.
- Install the driver. Run the included installer, or right-click the adapter in Device Manager, select Update driver, and choose Browse my computer for drivers. Point Windows to the extracted driver folder and follow the prompts.
- Restart and test. Restart if prompted, connect your Ethernet cable, and confirm that the adapter appears without a warning icon. Test access to your router or a website.
Keep the driver updated when a compatible update addresses a connection problem, security concern, or Windows compatibility issue. A newer package is not automatically a better match for older hardware, so prioritize verified compatibility and retain a working driver copy in case you need to roll back.
Common Issues and Fixes
- Install fails or driver won’t bind: Confirm the SiS191 package matches Windows version and 32/64-bit architecture. Run the installer as administrator; if using Device Manager, update the driver manually and point to the extracted SiS191 INF.
- Device not detected: Check BIOS for onboard LAN enabled, inspect Device Manager for unknown/hidden devices, and reseat the SiS191 card if it is add-in. A disabled onboard NIC is a common cause.
- Version conflicts: Windows Update or an old SiS driver may override the correct package. Uninstall the existing SiS191 device and select “Delete the driver software,” reboot, then install the intended driver.
Driver Details
| Device | SiS191 1000 100 10 Ethernet Device |
|---|---|
| Vendor | SiS |
| Category | Network |
| Supported OS | Windows |
| Published | October 29, 2026 |
| Updated | October 30, 2026 |
This driver download is available for Windows PCs.