Arduino Wifi Shield not working

[engasma]

Hello,

I am using Arduino Wifi Sheild shown below. I am following the linked tutorial.
I tried the Scan for available networks sketch but I got "0" available networks.

Getting Started with the Arduino WiFi Shield | Arduino Documentation

Your help is appreciated.

[engasma]

This is what the serial monitor displays

[Juraj]

remove the SD card or set pin 4 HIGH