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Connected to wireless network, but unable to access internet

Discussion in 'Networking' started by WhyCantI, Sep 26, 2010.

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  1. WhyCantI

    WhyCantI Thread Starter

    Joined:
    Sep 26, 2010
    Messages:
    2
    Hi - My net book used to connect me to the internet automatically on my home wireless network. Suddenly it has decided not to. I have successfully input the WEP/WAP key and the netbook says it is connected, but when I try to open Internet explorer, it says- oops! Looks like your internet is down. I have not had any problems on my main PC?

    What has happened and how do I fix it?http://b.tsgstatic.com/smilies/confused.gif

    Thanks in anticipation
     
  2. JohnWill

    JohnWill Retired Moderator

    Joined:
    Oct 19, 2002
    Messages:
    106,418
    What's the exact make and model of the wireless router, and what version of Windows are you running?


    Let's see this from the machine.


    Hold the Windows key and press R, then type CMD then press Enter to open a command prompt:

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

    Note that there is a space before the /ALL, but there is NOT a space after the / in the following command.

    IPCONFIG /ALL

    Right click in the command window and choose Select All, then hit Enter to copy the contents to the clipboard.
    Paste the results in a message here.

    If you are on a machine with no network connection, use a floppy, USB disk, or a CD-RW disk to transfer a text file with the information to allow pasting it here.



    I'd like to see this as well.



    Download and run this Xirrus Wi-Fi Inspector, click the Networks link on the upper left and paste a screen shot of that screen here. Note that this application requires NET Framework to run. If you get an error about a missing function, download and install NET Framework. For machines with no Internet connection, download this NET Framework 3.5 Full Package on another machine and transfer it with removable media to the problem machine.


    To post a screen shot of the active window, hold the Alt key and press the PrtScn key. Open the Windows PAINT application and Paste the screen shot. You can then use PAINT to trim to suit, and save it as a JPG format file. To upload it to the forum, open the full reply window and use the Manage Attachments button to upload it here.
     
  3. WhyCantI

    WhyCantI Thread Starter

    Joined:
    Sep 26, 2010
    Messages:
    2
    Hi - please see below the info copied from my main pcMicrosoft Windows XP [Version 5.1.2600]
    (C) Copyright 1985-2001 Microsoft Corp.

    C:\Documents and Settings\David>IPCONFIG /ALL

    Windows IP Configuration

    Host Name . . . . . . . . . . . . : david-vyxpnw9l3
    Primary Dns Suffix . . . . . . . :
    Node Type . . . . . . . . . . . . : Unknown
    IP Routing Enabled. . . . . . . . : No
    WINS Proxy Enabled. . . . . . . . : No

    Ethernet adapter Local Area Connection:

    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : SiS 900-Based PCI Fast Ethernet Adap
    ter
    Physical Address. . . . . . . . . : 00-11-D8-F7-1A-DB
    Dhcp Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    IP Address. . . . . . . . . . . . : 192.168.0.2
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Default Gateway . . . . . . . . . : 192.168.0.1
    DHCP Server . . . . . . . . . . . : 192.168.0.1
    DNS Servers . . . . . . . . . . . : 192.168.0.1
    Lease Obtained. . . . . . . . . . : 26 September 2010 11:43:29
    Lease Expires . . . . . . . . . . : 29 September 2010 11:43:29

    C:\Documents and Settings\David>

    The same from the net book copied via USB stick is
    Microsoft Windows XP [Version 5.1.2600]
    (C) Copyright 1985-2001 Microsoft Corp.

    C:\Documents and Settings\Elaine Speight-Upton>IPCONFIG /ALL

    Windows IP Configuration

    Host Name . . . . . . . . . . . . : Elaine
    Primary Dns Suffix . . . . . . . :
    Node Type . . . . . . . . . . . . : Unknown
    IP Routing Enabled. . . . . . . . : No
    WINS Proxy Enabled. . . . . . . . : No

    Ethernet adapter Local Area Connection:

    Media State . . . . . . . . . . . : Media disconnected
    Description . . . . . . . . . . . : Marvell Yukon 88E8040 PCI-E Fast Eth
    ernet Controller
    Physical Address. . . . . . . . . : 00-13-77-D8-7D-CF

    Ethernet adapter Wireless Network Connection:

    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Atheros AR5007EG Wireless Network Ad
    apter
    Physical Address. . . . . . . . . : 00-24-D2-10-24-F0
    Dhcp Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    Autoconfiguration IP Address. . . : 169.254.67.165
    Subnet Mask . . . . . . . . . . . : 255.255.0.0
    IP Address. . . . . . . . . . . . : fe80::224:d2ff:fe10:24f0%5
    Default Gateway . . . . . . . . . :
    DNS Servers . . . . . . . . . . . : fec0:0:0:ffff::1%1
    fec0:0:0:ffff::2%1
    fec0:0:0:ffff::3%1

    Tunnel adapter Teredo Tunneling Pseudo-Interface:

    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
    Physical Address. . . . . . . . . : FF-FF-FF-FF-FF-FF-FF-FF
    Dhcp Enabled. . . . . . . . . . . : No
    IP Address. . . . . . . . . . . . : fe80::ffff:ffff:fffd%6
    Default Gateway . . . . . . . . . :
    NetBIOS over Tcpip. . . . . . . . : Disabled

    Tunnel adapter Automatic Tunneling Pseudo-Interface:

    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Automatic Tunneling Pseudo-Interface

    Physical Address. . . . . . . . . : A9-FE-43-A5
    Dhcp Enabled. . . . . . . . . . . : No
    IP Address. . . . . . . . . . . . : fe80::5efe:169.254.67.165%2
    Default Gateway . . . . . . . . . :
    DNS Servers . . . . . . . . . . . : fec0:0:0:ffff::1%1
    fec0:0:0:ffff::2%1
    fec0:0:0:ffff::3%1
    NetBIOS over Tcpip. . . . . . . . : Disabled

    Tunnel adapter Automatic Tunneling Pseudo-Interface:

    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Automatic Tunneling Pseudo-Interface

    Physical Address. . . . . . . . . : A9-FE-48-B9
    Dhcp Enabled. . . . . . . . . . . : No
    IP Address. . . . . . . . . . . . : fe80::5efe:169.254.72.185%2
    Default Gateway . . . . . . . . . :
    DNS Servers . . . . . . . . . . . : fec0:0:0:ffff::1%2
    fec0:0:0:ffff::2%2
    fec0:0:0:ffff::3%2
    NetBIOS over Tcpip. . . . . . . . : Disabled

    C:\Documents and Settings\Elaine Speight-Upton>

    The router is Netgear Wireless - N ADSL2+ Modem Router DGN 2000

    Thanks
     
  4. JohnWill

    JohnWill Retired Moderator

    Joined:
    Oct 19, 2002
    Messages:
    106,418
    Does a wired connection work to the netbook? That would tell us if this is just wireless or a general networking issue.

    Did you make sure the router was configured for 802.11g and 802.11n, and not just 802.11n?

    Remove all the stored wireless network profiles and search for the network again. Here's How to Remove Stored Wireless Network Profiles for XP, Vista, and Windows 7

    If all else fails, remove all encryption from the router and see if you can connect that way as a test.

    Let us know the results of these actions.
     
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