bahi meny server 2008 R2 install kiya ha es mein network connections mein dsl ka connection to araha ha or dsl chal bhi raha ha per dosra Network card jo meny lagya ha wo kam ni ker raha or na he show ho raha ha meny os ko laga ker windows ki installation ki wo tab bhi ni araha ha just pc ka jo apna builton ha wo kam ker raha ha network card bhi change ker k dekha ha same problem .. device manager mein jata hon to wahan aik Ethernet Controllers Uninstall nazar araha ha per wo koi bhi driver install kernai se ni ja raha es problem ka kiya keron ye kesai solve ho ga