i reset the gateway , i changed my PC IP address to be 192.168.x.x ,even i changed my gateway ip address to 192.168.0.1, i can ping the gateway but can't access it as web ,but i can access it as telnet ,led status :(power on , ready off ,lan on , ports 1-->8 off) ,i followed the upgrade process in telnet but when i restart a strange thing happen , i can't access it at all even i can't ping it , now led status became :(power on , ready on, lan on , ports 1-->8 plinking) i kept it several hours (may be upgrading) but stayed as it is. so had to reset it again to be able to access it again (as telnet only) , i read all forum topics about this problem and did all suggestions but no use any other suggestions?