You can use putty with the YunSerialTerminal, you have to specify the serial COM port.
If you want to use the serial monitor you can run the command
wifi-reset-and-reboot
and it should reset the wifi configuration.
You can use putty with the YunSerialTerminal, you have to specify the serial COM port.
If you want to use the serial monitor you can run the command
wifi-reset-and-reboot
and it should reset the wifi configuration.