i mysql giriş php komut şu var

  $db_host="localhost";
  $db_user="root";
  $db_pass="123";

  $dbc=mysql_connect($db_host,$db_user,$db_pass) OR DIE (mysql_error());
  $dbs=mysql_select_db($db_name) OR DIE (mysql_error());    

this script was working fine, now i reinstall the O.S now i have windows 7 and iis7 and PHP Version 5.3.2 & mysql server 5.1 but now this script is not working and taking log time to execute.

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