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Internet connection problem: "Windows could not automatically detect proxy settings"

Discussion in 'Networking' started by KateMonkey, Aug 5, 2012.

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  1. KateMonkey

    KateMonkey Thread Starter

    Joined:
    Aug 5, 2012
    Messages:
    3
    Problem: I can't connect to the Internet on my laptop, a Dell Inspiron running Windows 7 Premium. The error message in IE reads "Windows could not automatically detect this network's proxy settings." This is a new, sudden problem this week after connecting before just fine.


    My laptop "sees" the wireless network just fine, with a good signal strength. My other computers are using the same wireless networks without problems.


    On the laptop, when I look at Wireless Network Connection Status (General tab), it says:

    Connection
    IPv4 Connectivity: Internet
    IPv6 Connectivity: No network access
    Media State: Enabled
    SSID: berman [the network which my other computers are using just fine]


    Things I've tried already:
    -Reset Internet Explorer settings
    -Rebooting in Safe Mode with Connections
    -Disabling firewall/McAfee
    -Making sure Proxy server is not checked in Local Area Network (LAN) settings in Internet Options


    When I do ipconfig /all:
    C:\Users\Bonnie>ipconfig /all
    Windows IP Configuration
    Host Name . . . . . . . . . . . . : BOBWHITE
    Primary Dns Suffix . . . . . . . :
    Node Type . . . . . . . . . . . . : Hybrid
    IP Routing Enabled. . . . . . . . : No
    WINS Proxy Enabled. . . . . . . . : No
    DNS Suffix Search List. . . . . . : domain.invalid
    Wireless LAN adapter Wireless Network Connection 3:
    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Microsoft Virtual WiFi Miniport Adapter #
    2
    Physical Address. . . . . . . . . : 4C-80-93-95-A7-41
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    Wireless LAN adapter Wireless Network Connection 2:
    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Microsoft Virtual WiFi Miniport Adapter
    Physical Address. . . . . . . . . : 4C-80-93-95-A7-41
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes
    Wireless LAN adapter Wireless Network Connection:
    Connection-specific DNS Suffix . : domain.invalid
    Description . . . . . . . . . . . : Intel(R) Centrino(R) Wireless-N 1030
    Physical Address. . . . . . . . . : 4C-80-93-95-A7-40
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    Link-local IPv6 Address . . . . . : fe80::3c44:d362:c4e3:bf1f%14(Preferred)
    IPv4 Address. . . . . . . . . . . : 192.168.254.9(Preferred)
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Lease Obtained. . . . . . . . . . : Saturday, August 04, 2012 10:25:31 PM
    Lease Expires . . . . . . . . . . : Wednesday, September 11, 2148 5:02:42 AM
    Default Gateway . . . . . . . . . : 192.168.254.254
    DHCP Server . . . . . . . . . . . : 192.168.254.254
    DHCPv6 IAID . . . . . . . . . . . : 357335187
    DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-16-AA-EF-09-24-B6-FD-13-AF-A2
    DNS Servers . . . . . . . . . . . : 192.168.254.254
    192.168.254.254
    NetBIOS over Tcpip. . . . . . . . : Enabled
    Ethernet adapter Local Area Connection:
    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Realtek PCIe FE Family Controller
    Physical Address. . . . . . . . . : 24-B6-FD-13-AF-A2
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    Ethernet adapter Bluetooth Network Connection:
    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Bluetooth Device (Personal Area Network)
    Physical Address. . . . . . . . . : 4C-80-93-95-A7-44
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    Tunnel adapter Teredo Tunneling Pseudo-Interface:
    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes
    Tunnel adapter isatap.domain.invalid:
    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . : domain.invalid
    Description . . . . . . . . . . . : Microsoft ISATAP Adapter #6
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes



    When I do test pings:
    C:\windows\system32>ping 192.168.254.254
    Pinging 192.168.254.254 with 32 bytes of data:
    Reply from 192.168.254.254: bytes=32 time=1ms TTL=64
    Reply from 192.168.254.254: bytes=32 time=2ms TTL=64
    Reply from 192.168.254.254: bytes=32 time=1ms TTL=64
    Reply from 192.168.254.254: bytes=32 time=1ms TTL=64

    Ping statistics for 192.168.254.254:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
    Approximate round trip times in milli-seconds:
    Minimum = 1ms, Maximum = 2ms, Average = 1ms

    C:\windows\system32>ping www.google.com
    Ping request could not find host www.google.com. Please check the name and try a
    gain.

     
  2. etaf

    etaf Wayne Moderator

    Joined:
    Oct 2, 2003
    Messages:
    55,892
    looks like you have a good connection to the router on the wireless
    however, appears something maybe blocking access to the internet

    What firewall / security suite or anti-virus do you currently have on the PC - or you have ever had on the PC in the past - any trial ware - like Norton, Mcafee , AVG etc

    do a tcp/ip stack repair

    ------------------------------------------------------------------------

    TCP/IP stack repair options for use with Vista/Windows 7

    Start> Programs> Accessories> and right click on Command Prompt, select "Run as Administrator" to open a command prompt box
    (A new dialogue box - black with white font, will appear on the screen ):

    In the command prompt window that opens, type the following commands:

    Note: Type only the text in bold and red for the following commands.

    Reset WINSOCK entries to installation defaults: netsh winsock reset catalog and press enter

    Reset IPv4 TCP/IP stack to installation defaults. netsh int ipv4 reset reset.log and press enter

    Reset IPv6 TCP/IP stack to installation defaults. netsh int ipv6 reset reset.log and press enter

    ReStart (reboot) the machine.

    If you receive the message
    The requested operation requires elevation.
    Then please open the command prompt as administrator - as requested above
    Start> Programs> Accessories> and right click on Command Prompt, select "Run as Administrator" to open a command prompt box
    (A new dialogue box - black with white font, will appear on screen ):

    Please note and post back - if you receive the following message :-
    Access is Denied

    please post back the results in a reply here - its important we know that these commands have worked correctly and not produced any errors
    right click in the command prompt box
    select all
    enter
    control key + C key - to copy
    then reply here and
    control key + V to paste

    Details also here
    http://support.microsoft.com/kb/299357


    ------------------------------------------------------------------------
     
  3. KateMonkey

    KateMonkey Thread Starter

    Joined:
    Aug 5, 2012
    Messages:
    3
    Software: The laptop has had PC Cleaner PRO, McAfee antivirus; I disabled the former and uninstalled the latter. I've run a virus check with Windows Defender and McAfee (before uninstalling it.)

    I did the above process, with the following output:

    C:\windows\system32>netsh winsock reset catalog
    Sucessfully reset the Winsock Catalog.
    You must restart the computer in order to complete the reset.

    C:\windows\system32>netsh int ipv4 reset reset.log
    Reseting Interface, OK!
    Restart the computer to complete this action.

    C:\windows\system32>netsh int ipv6 reset reset.log
    There's no user specified settings to be reset.

    ...and then I restarted the computer. The error message re: proxy settings is still present, with no other obvious changes in connectivity.

    What next?

    Thanks!
     
  4. TerryNet

    TerryNet Terry Moderator

    Joined:
    Mar 23, 2005
    Messages:
    69,545
    Control Panel - Internet Options - Connections tab - LAN Settings. What choice(s) selected on that page? Unless you are using a proxy try with none of the three choices selected.
     
  5. KateMonkey

    KateMonkey Thread Starter

    Joined:
    Aug 5, 2012
    Messages:
    3
    Hi TerryNet -- none of the checkboxes on that page are marked.
    Thanks!
     
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