sudo modprobe ath9k_htc If you see an error like "Operation not permitted" or "Unknown symbol", you may need to reinstall the kernel headers and module. sudo apt install linux-headers-$(uname -r) sudo modprobe -r ath9k_htc sudo modprobe ath9k_htc Scenario C: USB Autosuspend Issues Sometimes, power management suspends the USB device. Disable autosuspend:
lsusb Look for an entry containing "Atheros Communications, Inc." or "TP-Link". Example output: install atheros ar9271 driver kali linux
iwconfig wlan0 | grep "Tx-Power" Set to maximum (usually 30): sudo modprobe ath9k_htc If you see an error
Bus 001 Device 005: ID 0cf3:9271 Qualcomm Atheros Communications AR9271 Wireless Network Adapter If you see ID 0cf3:9271 , your adapter is recognized at the USB level. ip a or install atheros ar9271 driver kali linux