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Solved: Keep losing wireless connection

Discussion in 'Networking' started by khevlan, Apr 3, 2010.

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  1. khevlan

    khevlan Thread Starter

    Joined:
    Jul 30, 2007
    Messages:
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    Hi all

    I keep losing my wireless internet connection. Intermittently, my connection is lost and I get the message that the page cannot be found. I need to repair my wireless connection in order to surf the net after that. Its quite grinding. Here are the details of my PC and my internet connection;

    Motherboard GF8100VM-M5
    Motherboard Manufacturer Elite group
    Motherboard Serial Number 15-K67-011003
    Processor AMD TRIPLE CORE PHENOM™ X3 8450
    Processor Socket AM2 Plus
    Memory 3GB DDR2 800MHz
    Power Supply CiT Pentium P4 500 Watt
    Operating System XP Professional Service Pack 3
    CD ROM Device XAFIFA Z0XUJ0D SCSI CdRom Device
    Audio chipset VIA High Definition onboard audio VT1708AB
    Operating System XP Professional Service Pack 3

    Internet Connection
    Connection type Wireless
    Wireless Adapter Buffalo Nfinity
    Network provider BT Broadband
    Router BT Home Hub 2
    Encryption type WPA2
    Internet browsers in use Chrome and Firefox, same problem with both
    Firewall used Zonealarm - It is not the firewall; I have turned it off and still had the problem

    The router is in another room but is not too far away.

    Thanks in advance for helping me.
     
  2. TerryNet

    TerryNet Moderator

    Joined:
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    First Name:
    Terry
    Please show for when you have a connection and for when you do not ...

    Start, Run, CMD, OK to open a command prompt:
    (For Vista or 7 type CMD in the Search box after Start)

    Type the following command:

    IPCONFIG /ALL

    [Note that there is no space between the slash and ALL.]

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

    If necessary use a text file and removable media to copy the results to a computer with internet access.
     
  3. khevlan

    khevlan Thread Starter

    Joined:
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    That information contains my I.P address. Is it safe for me to give out my I.P address on the internet?
     
  4. TerryNet

    TerryNet Moderator

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    Terry
    People have programs running all the time probing all possible IP addresses for vulnerabilities. If you are not using a firewall and not behind a router it is far, far more likely that you will be attacked that way than by somebody patiently waiting for somebody to post a particular IP address. Besides, you imply that you are using a router, so unless it is defective or you have it configured incorrectly all you are going to show are private IP addresses.
     
  5. khevlan

    khevlan Thread Starter

    Joined:
    Jul 30, 2007
    Messages:
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    Thanks;

    WHEN I HAVE A CONNECTOIN

    Microsoft Windows XP [Version 5.1.2600]
    (C) Copyright 1985-2001 Microsoft Corp.
    C:\Documents and Settings\Administrator>ipconfig/all

    Windows IP Configuration
    Host Name . . . . . . . . . . . . : computer
    Primary Dns Suffix . . . . . . . :
    Node Type . . . . . . . . . . . . : Unknown
    IP Routing Enabled. . . . . . . . : No
    WINS Proxy Enabled. . . . . . . . : No
    DNS Suffix Search List. . . . . . : home

    Ethernet adapter Wireless Network Connection 8:
    Connection-specific DNS Suffix . : home
    Description . . . . . . . . . . . : BUFFALO WLI-U2-G300N Wireless LAN Ad
    apter
    Physical Address. . . . . . . . . : 00-16-01-5E-48-13
    Dhcp Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    IP Address. . . . . . . . . . . . : 192.168.1.68
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Default Gateway . . . . . . . . . : 192.168.1.254
    DHCP Server . . . . . . . . . . . : 192.168.1.254
    DNS Servers . . . . . . . . . . . : 192.168.1.254
    Lease Obtained. . . . . . . . . . : 04 April 2010 14:25:02
    Lease Expires . . . . . . . . . . : 05 April 2010 14:25:02

    C:\Documents and Settings\Administrator>

    Microsoft Windows XP [Version 5.1.2600]
    (C) Copyright 1985-2001 Microsoft Corp.


    WHEN I DON'T HAVE A CONNECTOIN

    C:\Documents and Settings\Administrator>ipconfig/all

    Windows IP Configuration

    Host Name . . . . . . . . . . . . : computer
    Primary Dns Suffix . . . . . . . :
    Node Type . . . . . . . . . . . . : Unknown
    IP Routing Enabled. . . . . . . . : No
    WINS Proxy Enabled. . . . . . . . : No
    DNS Suffix Search List. . . . . . : home

    Ethernet adapter Wireless Network Connection 8:

    Connection-specific DNS Suffix . : home
    Description . . . . . . . . . . . : BUFFALO WLI-U2-G300N Wireless LAN Ad
    apter
    Physical Address. . . . . . . . . : 00-16-01-5E-48-13
    Dhcp Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    IP Address. . . . . . . . . . . . : 192.168.1.68
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Default Gateway . . . . . . . . . : 192.168.1.254
    DHCP Server . . . . . . . . . . . : 192.168.1.254
    DNS Servers . . . . . . . . . . . : 192.168.1.254
    Lease Obtained. . . . . . . . . . : 04 April 2010 14:25:02
    Lease Expires . . . . . . . . . . : 05 April 2010 14:25:02

    C:\Documents and Settings\Administrator>

    I should say that when I lose the connection the Operating System doesn't show that the connection is lost (the connection icon doesn't change), I just can't open any webpages. The browsers say the page cannot be found.

    Thanks
     
  6. TerryNet

    TerryNet Moderator

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    First Name:
    Terry
    OK; and the ipconfig /all information is in agreement. :) Let's try fixing three possible areas of corruption (driver, firewall, stack/WINSOCK). Try them in whatever order you wish.

    Make sure you have the latest driver for the wireless adapter. If you are sure you already have the latest you can just use Device Manager to uninstall the wireless and then reboot and let Windows discover the adapter and reinstall the driver.

    Uninstall ZoneAlarm (turning it off does no good if it is corrupted) and run the Removal Tool.

    (From a JohnWill post)

    TCP/IP stack repair options for use with Windows XP with SP2 or SP3.

    Start, Run, CMD, OK to open a command prompt.

    Reset WINSOCK entries to installation defaults: netsh winsock reset catalog

    Reset TCP/IP stack to installation defaults. netsh int ip reset reset.log

    Reboot the machine.
     
  7. khevlan

    khevlan Thread Starter

    Joined:
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    Hi

    I believe that the problem is mostly solved. I tried the last solution first as it seemed the most promising. When I re-started the computer afterwards, it automatically connected to the internet which it does not usually do. I thought the problem was solved but the connection did go again. However it seemed to reconnect without me doing anything when normally I would have to re-start the connection.

    Therefore the connection isn't 100% but it should be more liveable if this holds up.

    Thanks for your help!
     
  8. TerryNet

    TerryNet Moderator

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    You're welcome. With that new symptom I don't suspect a firewall. Top two suspects are that you need a driver update or are suffering from wireless interference. You can use the Xirrus Wi-Fi Inspector to help determine the existence of other wireless networks. If you want help with that attach a screen shot of the Networks page output.

    You could also try running those repairs again. Sometimes, for no logical reason, the 2nd time seems to fix a little more.
     
  9. khevlan

    khevlan Thread Starter

    Joined:
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    Messages:
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    Hi

    I've managed to upload a JPEG of that screen.

    I'm afraid my problem hasn't really been solved because the connection keeps going. I'll look at drivers next although I only very recently bought a new wireless adapter.
     

    Attached Files:

  10. TerryNet

    TerryNet Moderator

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    Good grief! Three strong signals all using channel 1! Change your channel to 6 or 11 and you should be able to kiss your disconnects goodbye (unless you also need a driver update).
     
  11. khevlan

    khevlan Thread Starter

    Joined:
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    Messages:
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    Thanks

    I'm not sure if that's the problem. I live with somebody who manages the network and he says that, because it is BT broadband, the three services comprise only one signal. I don't know if this is true. What is true is that there are 3 computers connected to the network and I'm the only one having the problem.

    In terms of the drivers, I don't know how to check what version my windows driver for the adapter is. The latest driver that I can find was released in 2007 and I bought the adapter in 2010 so I 'd assue my driver is up to date. When I download that 2007 driver from the Buffalo site it contains no installation instructions; its just a folder you unzip that has some files in it that I don't know how to install.

    In all I'm somewhat at a loss about how to solve this problem. Should I ask the person who manages the network to move the netwrok to channel 6 or 11?
     
  12. schang626

    schang626

    Joined:
    Mar 2, 2010
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    447
    you might have 3 computers connected to the network, but terrynet is saying that there are 3 networks that's using the same channel so you get interferece.
    so yes please ask the person who manages the network to change the network to channel 6 or 11
     
  13. khevlan

    khevlan Thread Starter

    Joined:
    Jul 30, 2007
    Messages:
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    Hi

    Just to update you, switching the network channel did not solve the problem of periodic disconnects. Other things I have done are; I actually did not properly unstall my previous wireless utililty form Belkin and I did so but that did not solve the problem. I completely uninstallled Zonealarm, rather that just disabling it, and this did not solve the problem.

    Rahter vexing.

    Mine is the only computer on the network that seems to have the problem.
     

    Attached Files:

  14. TerryNet

    TerryNet Moderator

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    What wireless utility are you using, and are you sure no other one is running?
     
  15. khevlan2

    khevlan2

    Joined:
    Nov 3, 2007
    Messages:
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    I was using Buffalo Wireless Client 3.0.

    I recently uninstalled that and am now using only the windows utility. I have seen the problem again, but, touch wood, disconnects seem rarer. Additionally, it is easier to repair the network; I just right click the flashing network icon and select repair.

    I believe that the Windows Utility is now the only utility running as I have uninstalled by previous Belkin Utility and also my more recent Buffalo Utility.

    Thanks.
     
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