Reply with your Windows version (e.g., Win10 64-bit) and laptop model , and I can point you to the exact official download link.

| Problem | Likely Solution | |---------|----------------| | Driver installs but Wi-Fi can’t see networks | Adapter supports – check your router isn’t 5 GHz only. | | Code 10 (device cannot start) | Disable Fast Startup in Windows Power Options. | | Random disconnects / low signal | Update driver to version 10.0.0.355 or newer. Also check antenna connections on Mini PCIe card. | | Linux: Wi-Fi works but slow | Install firmware-atheros package (Debian/Ubuntu) or linux-firmware (others). | | Windows 10 automatic driver fails | Force install the Windows 8.1 driver via compatibility mode. |

Qualcomm Atheros AR9287 Wireless Network Adapter Driver: A Comprehensive Guide The Qualcomm Atheros AR9287

is a Mini-PCIe interface wireless network adapter that supports IEEE 802.11n standards. It is known for its (Multiple Input, Multiple Output) technology, offering data transfer speeds up to 300Mbps on the 2.4GHz band .

While it does not support 5GHz dual-band, it is highly regarded for its reliability in budget and mid-range laptops from brands like ASUS, MSI, Dell, Sony, and Acer. Why You Need the Right AR9287 Driver in 2026