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Solved: Unable to connect to DCHP server

Discussion in 'Networking' started by shelys, Feb 26, 2010.

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  1. shelys

    shelys Thread Starter

    Joined:
    Feb 26, 2010
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    I recently sent my laptop out to have the keyboard seated correctly. When it was returned I was not able to access my internet from the wireless connection in my home. I can access the internet from unsecure networks. Tech support from my internet company stated that I most likely needed to update my driver. I am not sure which driver to update from the Lenovo site.

    Lenovo T60 windows XP

    C:\Documents and Settings\...............>ipconfig
    Windows IP Configuration

    Ethernet adapter Wireless Network Connection:
    Connection-specific DNS Suffix . :
    IP Address. . . . . . . . . . . . : 0.0.0.0
    Subnet Mask . . . . . . . . . . . : 0.0.0.0
    Default Gateway . . . . . . . . . :
    Ethernet adapter Local Area Connection:
    Media State . . . . . . . . . . . : Media disconnected
    C:\Documents and Settings\...............>ipconfig /renew
    Windows IP Configuration
    An error occurred while renewing interface Wireless Network Connection : unable
    to contact your DHCP server. Request has timed out.
    No operation can be performed on Local Area Connection while it has its media di
    sconnected.
     
  2. etaf

    etaf Moderator

    Joined:
    Oct 2, 2003
    Messages:
    64,891
    First Name:
    Wayne
    This works OK
    You have a 0.0.0.0 IP this usually means - see johnwill post info below

    can we see a full ipconfig /all and post back here

    From a Johnwill post

    IP addresses of all zeros are normally caused by one of the following.

    Diagnosis:

    1. DHCP Service not running.
    2. Duplicate IP address on the network.
    3. Bad NIC card drivers.
    4. Defective NIC hardware.

    Resolution:

    1. Check Control Panel, Administrative Tools, Services. The DHCP Client service should be Started and its Startup Type should be Automatic.
    2. Turn off ALL of the computers and other network connected devices, restart (power cycle) the router, then restart all the computers and other network devices.
    3. Check for upgraded drivers and/or reload the Network drivers.
    4. Replace the Network Interface Card.
    --------------------------------------
     
  3. shelys

    shelys Thread Starter

    Joined:
    Feb 26, 2010
    Messages:
    7
    Microsoft Windows XP [Version 5.1.2600]
    (C) Copyright 1985-2001 Microsoft Corp.
    C:\Documents and Settings\...............>ipconfig/all
    Windows IP Configuration
    Host Name . . . . . . . . . . . . : homelaptop
    Primary Dns Suffix . . . . . . . :
    Node Type . . . . . . . . . . . . : Mixed
    IP Routing Enabled. . . . . . . . : No
    WINS Proxy Enabled. . . . . . . . : No
    DNS Suffix Search List. . . . . . : hsd1.md.comcast.net.
    Ethernet adapter Wireless Network Connection:
    Connection-specific DNS Suffix . : hsd1.md.comcast.net.
    Description . . . . . . . . . . . : Intel(R) PRO/Wireless 3945ABG Networ
    k Connection
    Physical Address. . . . . . . . . : 00-13-02-BA-8D-11
    Dhcp Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    IP Address. . . . . . . . . . . . : 192.168.1.107
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Default Gateway . . . . . . . . . : 192.168.1.1
    DHCP Server . . . . . . . . . . . : 192.168.1.1
    DNS Servers . . . . . . . . . . . : 68.87.73.246
    68.87.71.230
    Lease Obtained. . . . . . . . . . : Saturday, February 27, 2010 12:48:37
    PM
    Lease Expires . . . . . . . . . . : Sunday, February 28, 2010 12:48:37 P
    M
    Ethernet adapter Local Area Connection:
    Media State . . . . . . . . . . . : Media disconnected
    Description . . . . . . . . . . . : Intel(R) PRO/1000 PL Network Connect
    ion
    Physical Address. . . . . . . . . : 00-16-41-A8-D0-2E
     
  4. etaf

    etaf Moderator

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    Wayne
    looks like a good ipconfig /all

    Is this ANY secure wireless network or just yours - may need to reset the router
    May be the firewall - but nt sure if that differentiates a secure v unsecured wireless connection

    Do the following
    Ping Test
    Xirrus
    Remove wireless profiles

    {Ping Tests}

    Start> Run {search bar in Vista}> CMD to open a DOS window and type:

    Type the following command
    Ping google.com
    then:
    Post back the results
    rightclick in the box
    select all
    enter
    control key + C key - to copy
    then reply here and
    control key + V to paste

    Type the following command
    Ping {plus the number thats shown against the default gateway shown in above ipconfig /all

    Post back the results

    rightclick in the box
    select all
    enter
    control key + C key - to copy
    then reply here and
    control key + V to paste

    Type the following command
    Ping 209.191.93.53
    post back results

    rightclick in the box
    select all
    enter
    control key + C key - to copy
    then reply here and
    control key + V to paste
    --------------------------

    Download and install
    http://www.xirrus.com/library/wifitools.php

    Then run the program
    post a screen shot of the program running - if there are a lot of networks showing can you click on "networks" top lefthand area - so we can see all the network information

    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.
    ----------------------------------------------------------------------------
    Wireless Profiles
    - Vista:

    http://www.tp-link.com/support/showfaq.asp?id=214
    - delete the wireless profiles
    Start
    control Panel
    classic view
    network and sharing center
    manage wireless networks

    Delete the profiles
    you will then have to enter the wireless security key for any networks you connect to
    --

    - XP
    http://www.tp-link.com/support/showfaq.asp?id=186
    - delete the preferred networks
    start
    control panel
    network connections
    right click on the wireless connection listed
    wireless networks tab
    in the preferred network list
    click on each one and - remove button

    you will then have to enter the wireless security key for any networks you connect to
    ----------------------------------------------------------------------------
     
  5. shelys

    shelys Thread Starter

    Joined:
    Feb 26, 2010
    Messages:
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    this is my secure wireless network

    Pinging google.com [64.233.169.99] with 32 bytes of data:
    Reply from 64.233.169.99: bytes=32 time=27ms TTL=242
    Reply from 64.233.169.99: bytes=32 time=29ms TTL=242
    Reply from 64.233.169.99: bytes=32 time=25ms TTL=242
    Reply from 64.233.169.99: bytes=32 time=29ms TTL=242
    Ping statistics for 64.233.169.99:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
    Approximate round trip times in milli-seconds:
    Minimum = 25ms, Maximum = 29ms, Average = 27ms

    Pinging 193.168.1.1 with 32 bytes of data:
    Request timed out.
    Reply from 158.64.16.18: Destination host unreachable.
    Reply from 158.64.16.18: Destination host unreachable.
    Reply from 158.64.16.18: Destination host unreachable.
    Ping statistics for 193.168.1.1:
    Packets: Sent = 4, Received = 3, Lost = 1 (25% loss),
     
  6. etaf

    etaf Moderator

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    Wayne
    you are connected to the internet from the information above
    NOTE the 2nd ping is mistyped 192.168.1.1 - not 193

    so are these results from the secure network ?
    if so I suspect its a firewall issue
     
  7. shelys

    shelys Thread Starter

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    Feb 26, 2010
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    Here is the upload from Xirrus
     

    Attached Files:

  8. etaf

    etaf Moderator

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    which one is yours?
     
  9. shelys

    shelys Thread Starter

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    :D I am now connected using my secure network. Thank you so much!
     
  10. etaf

    etaf Moderator

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    what did you do that made it work, will help other people searching google and this site

    Also if your all fixed now (y) you can mark as solved - button at top of first post
     
  11. etaf

    etaf Moderator

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    theres are a lot of netwroks on channels there - it may cause interference in future - which is yours
     
  12. shelys

    shelys Thread Starter

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    I believe it was the removing and reconnecting to the secure site. Such a simple task.
     
  13. shelys

    shelys Thread Starter

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    My network was the FHCH1
     
  14. etaf

    etaf Moderator

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    thanks - if you get any intereference issues - for example the internet on wireless keeps disconnecting - it may be worth changing channels - DONT worry if its all working OK - "dont fix whats not bust" - but if it does in the future i would try channel 4..
     
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