netsh int ip reset
ipconfig /release (this command removes the current IP configuration)
ipconfig /renew (this command requests your DHCP client to reset an IP address)
ipconfig /flushdns (use this Netsh command to clear corrupted or incorrect DNS cache)
netsh winsock reset (this command line resets Winsock settings and recovers your computer from any socket errors. Winsock contains your computer Internet connectivity configuration)