Controladora PCI-E Ethernet Atheros AR8121/AR8113/AR8114 Driver
Download for Windows — free, fast, always up-to-date
This driver download is available for Windows PCs.
At a Glance
DeviceControladora PCI-E Ethernet Atheros AR8121/AR8113/AR8114
VendorQualcomm Atheros
Supported OSWindows 10, 8.1, 7, Vista, XP
SafetyScanned, malware-free
LicenseFree
No Registration Required
Download free — no signup, no account, no waiting
On This Page
The Controladora PCI-E Ethernet Atheros AR8121/AR8113/AR8114 driver enables Windows to communicate with your Qualcomm Atheros wired Ethernet controller so your PC can connect to a router or local network. You may need it after reinstalling Windows, when Device Manager shows an unidentified Ethernet controller, or when troubleshooting a missing wired connection.
Key Features
- Wired network connectivity: Provides the software interface Windows needs to use the AR8121, AR8113, or AR8114 Ethernet controller for local network and internet access.
- Device recognition: Helps Windows identify the adapter correctly in Device Manager rather than listing it as an unknown network device.
- Legacy Windows options: Driver packages are available for Windows 10, 8.1, 7, Vista, and XP; select a release that explicitly matches your operating system and hardware.
- Connection troubleshooting: Replacing a missing, damaged, or incompatible driver may resolve adapter detection problems and some connection failures.
How to Install Controladora PCI-E Ethernet Atheros AR8121/AR8113/AR8114 Driver
- Identify your adapter and Windows version. Open Device Manager and check Network adapters or Other devices. Confirm the controller model, your Windows version, and whether the system is 32-bit or 64-bit. If necessary, check the device’s Hardware IDs under Properties > Details.
- Choose a compatible package. Before starting your Controladora PCI-E Ethernet Atheros AR8121/AR8113/AR8114 driver download for Windows, verify the package’s supported hardware and OS. Choose the latest version compatible with your PC, not simply the newest release available.
- Download and prepare the files. Use a trusted free download source, preferably your PC or motherboard manufacturer. If Ethernet is unavailable, download the package on another computer and transfer it using a USB drive. Extract compressed files before installation.
- Install the driver. Run the included installer, or use Device Manager’s driver update option to browse to the extracted driver folder. Follow the prompts and restart if requested.
- Check the connection. Connect an Ethernet cable and confirm that the adapter appears without a warning icon. For Windows 10/11 systems, verify compatibility carefully: Windows 10 support does not establish Windows 11 support.
Keep the driver updated when a compatible release addresses a problem you are experiencing. Before an update, save the working installer or create a restore point so you can recover if needed. If the connection is stable and no relevant fix is available, an update may not be necessary.
Driver Details
| Device | Controladora PCI-E Ethernet Atheros AR8121/AR8113/AR8114 |
|---|---|
| Vendor | Qualcomm Atheros |
| Category | Other |
| Supported OS | Windows 10, 8.1, 7, Vista, XP |
| Published | October 31, 2026 |
| Updated | November 1, 2026 |
This driver download is available for Windows PCs.