@ECHO OFF
netsh wlan set autoconfig enabled=yes interface="Wi-Fi"
:loop
PING google.com | FIND "time=" > NUL
echo waiting.....
IF ERRORLEVEL 1 goto loop

ECHO You have active connection to the Internet

REM you can add your scripts to run after internet connection success
netsh wlan set autoconfig enabled=no interface="Wi-Fi"
pause