The ath9k_htc driver requires firmware to be loaded onto the adapter’s internal microcontroller. Kali Linux includes the firmware package firmware-atheros , but sometimes it is missing or outdated.
You should see an interface named wlan0 (or wlan1 if you have internal Wi-Fi). If it's there but "Down," run: sudo ip link set wlan0 up Use code with caution. Copied to clipboard Step 4: Verification (The Fun Part) install atheros ar9271 driver kali linux
If you see networks, the driver works perfectly. The ath9k_htc driver requires firmware to be loaded