ok here is the thing, my connection randomly disconnects from internet last week i had this problem.. and had error message "Local Area Connection doesn't have a valid IP configuration " dunno what happened but its fixed . but this week the problem still on but with different error message .. when i try to use troubleshooter it says "the connection between your access point, router, or cable modem and the internet is broken " so here is some information about my computer: intel core i7 cpu 860 @2.80 win7 home premium 64bit realtek pci-e GBE family controller (network driver) and ati radeon hd5800 what ive tried so far is: reseting winsock ipconfig /all /release /renew updating etehrnet card driver (in safe mode) stopping bonjour service changing modem / and all networking cables also updated graphic card driver.. tried to change dns adress (used opendns and google's one) turning firewall on/off hide all except microsoft in services and uncheck all but still have the same problem ??? please help me :( its a nightmare!