Trouble Shooting - How to Check WiFi Connection Status

How to check wifi connection status

  • Open a terminal and typing:
ifconfig -a
  • Wi-Fi adapter is called wlan0

How to check wifi signal level?

sudo apt update 
sudo apt -y install wavemon
sudo wavemon -i wlan0

  • Check if Raspberry Pi can connect to Internet
ping -c 4
  • Check if DNS configuration is correctly.
cat /etc/resolv.conf

make sure the nameserver is available, if not, please contact to your ISP (Internet Service Provider).