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Wireless connects, but no internet and i cant access the router

Discussion in 'Networking' started by Quiva, Jan 18, 2011.

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  1. Quiva

    Quiva Thread Starter

    Joined:
    Dec 29, 2010
    Messages:
    3
    Some time ago i moved my computer for a lan session. At this lan session i disabled my wireless adapter and enabled my lan adapter. One i returned home i replaced my computer where it was and disabled the lan adapter and re-enabled the wireless adapter. With the aerial i was using before my problem i can't see any networks at all. With a different aerial i can see the network and the signal strength is excellent. But when i try to connect, either windows will tell me it can't connect or when it does it has limited connectivity. It won't give me internet access and even though it says its connected i cant access the routers set-up page. Now none of the settings on either my computer or the router has changed. Only the physical movement and the turning on and off of the adapters is different from when it did work and now that it doesn't. I can get internet by running a lan cable to the router and re-enabling the lan adapter, but if i wanted a cable across my hallway i wouldn't have a wireless router and network card.

    My router is a linksys WRT160N and has the latest firmware
    My OS is Windows 7 Ultimate 64bit
    My wireless card reads in windows as Broadcom 802.11g Networ Adapter, but i think its an asus wl-138g v2

    The connection often fails entirley or if it does connect it spends ages in the "Identifying Network" phase. If it gets beyond that it says i'm connected to an unidentified network and that theres no internet access. Also, like i said, if it does connect i still cant access the router.

    I've tried resetting the router and since this problem has persisted for weeks now, i have reset my PC many times also. I've rechecked all the router and adapter settings and they're all where i left em last time it was working. When connected via wireless (however badly) my PC displays correctly in the DHCP client table (IP set to automatic on my adapter). I have a PS3 on a shelf above my PC and its still working fine by wireless, and i recently bought a Wii and it connects fine too despite being nearly 3 times the distance from the router.

    Like i said in a previous thread, i don't get how only physically moving my box could cause this...
     
  2. etaf

    etaf Moderator

    Joined:
    Oct 2, 2003
    Messages:
    65,203
    First Name:
    Wayne
    looking at the other posts this has been ongoing for a while - i have closed those posts now
    http://forums.techguy.org/networking/971332-decreased-wireless-performance.html
    as there where no answers - we dont want duplicate posts running and answers

    lets see an xirrus screen shot
    also an ipconfig /all and device manager

    nothing silly like in the move , the wireless switch has been turned to off or a FN+F key hit to turn off the wireless signal at all

    do you have a firewall / security suite - like norton or mcafee - have that ever been on the PC they can do this type of thing out the blue not allow you to connect


    ------------------------------------------------------------------------
    {ipconfig /all}
    If you cannot access the internet with this PC, then you will need to paste the results into something like notepad and then copy onto a machine that can access the internet and post results here
    We would like to see the results from ipconfig /all post back the results here
    -> Start
    -> (XP - enter the following in the RUN box)
    cmd /k ipconfig /all
    -> (Vista or Windows 7 - enter the following in the Search box)
    cmd /k ipconfig /all

    A black box will appear on the screen -
    rightclick in the box
    select all
    enter
    control key + C key - to copy

    then reply here and
    control key + V to paste
    ------------------------------------------------------------------------

    ------------------------------------------------------------------------
    {run Xirrus Wi-Fi Inspector} Download and install
    If you cannot access the internet with this PC, then you will need to copy the program across to the faulty PC

    http://www.xirrus.com/library/wifitools.php
    Direct link to the program is here http://www.xirrus.com/library/wifi_download_redirect.php
    Then run and install the program
    if you get an error - You need NET Framework installed for the WiFi Inspector to function.

    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, and also post which network "Adapter Name" (1st column) is yours on the list

    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.
    ------------------------------------------------------------------------
    {Device Manager}
    Post back the results in device manager
    If you cannot access the internet with this PC, then you will need to copy the program across to the faulty PC
    Start > control Panel {Vista set to classic view}> system > {Vista, device manager on left hand side} {XP hardware Tab, device manager button} >
    windows 7
    start > control panel> System and Security> Device Manager

    network adaptors, click on the + > post back the devices listed there
    are there any ! ? or X


    post a screen shot of the device manager - network adapters

    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. TerryNet

    TerryNet Moderator

    Joined:
    Mar 23, 2005
    Messages:
    77,659
    First Name:
    Terry
    Could mean an incorrect driver installed.

    Do you have both in the machine and used to use the Asus one but now are using the Broadcom?

    The Asus one is a PCI, right? Could have been jarred loose during the trip. I'd physically remove it and reinsert.

    Does the Broadcom have a model number? I don't know too much about them, but would expect an adapter to be an integrated one.
     
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