Look for “Mode:Monitor”.
Verify the change with iwconfig . The "Mode" should now say . Method B: Using iw (Manual Setup) If airmon-ng fails, try the manual IP link method: Enabling Monitor Mode on Kali Linux Using airmon-ng fern wifi cracker kali linux enable monitor mode
This is usually caused by the NetworkManager service trying to control the Wi-Fi card simultaneously while you are trying to put it in Monitor Mode. The solution is simple. Look for “Mode:Monitor”
Using Fern Wifi Cracker or any similar tool to access a Wi-Fi network without explicit permission from the owner is illegal in most countries. This guide is intended only for educational purposes, security auditing of your own network, or authorized penetration testing. security auditing of your own network