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Solved: Not seeing home network, seeing others.

Discussion in 'Networking' started by Donkeyotay, Jan 17, 2013.

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  1. Donkeyotay

    Donkeyotay Thread Starter

    Jan 17, 2013
    Afternoon All,

    For some reason my wife's Dell D630 running Windows 7 has stopped seeing and connecting to our home network. It can see various other networks in our locality, but not our home one. All other computers, radios & phones connect seamlessly, but this laptop.

    I've tried rebooting; turning the wireless off & on; manually entering the details and rebooting the router. All to no effect. Yet it's seeing other networks!

    If I plug in a network cable it connects to the home network properly, but it doesn't see it wirelessly.

    Any help gratefully received.
    Cordially yours
  2. etaf

    etaf Moderator

    Oct 2, 2003
    First Name:
    can we see an xirrus screen shot from your wifes PC
    this can be done with a cable connected

    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
    Save the file to a USB flash drive or other removable media. Plug it into the working computer with internet access and copy the file and install the program.
    You will now need to take a screen shot and copy that back to the working PC and attach the screen shot in a reply on the forum here.

    Direct link to the program is here http://info.xirrus.com/Wi-FiInspectorConfirmation.html

    {If the above link does not work heres another link http://www.pcworld.com/downloads/file_download/fid,77196-order,4/download.html}

    Then run and install the program - on a wireless enabled PC/Laptop
    if you get an error - You need will need to have NET Framework installed for the WiFi Inspector to function.
    On windows 8 - (i do not have windows 8) but, it would appear that, When you first try to run, you may get a message that .net framework is needed, and included in that message is a link to download/install.

    Run the program

    A user guide is available here http://www.xirrus.com/cdn/pdf/Xirrus-Wi-Fi-inspectorguide-1-2-1-RevB-6.aspx

    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.

    post which SSID name is yours, its located in the list, under network "Adapter Name" (1st column)

    To post a screen shot of the active window.
    1) (For windows 8 see below) hold the Alt key and press the PrtScn key. Open the Windows PAINT application (Start> All Programs> Accessories> Paint) and Paste the screen shot. You can then use PAINT to trim to suit, and save it as a JPG format file.
    2) if you are using Vista/Windows 7 you can use the "snipping tool" which is found in Start> All programs> Accessories> Snipping Tool

    To upload the screen shot to the forum, open the full reply window ("Go Advanced" button) and use the Manage Attachments button to upload it here.
    Full details are available here http://library.techguy.org/wiki/TSG_Posting_a_Screenshot

    For a reliable (or robust as the Xirrus user guide says) wireless connection you need a signal of about -70 dBm or better. "A desirable signal level for a robust Wi-Fi connection will be green".
    note: the signal level is a negative number, so for example -88 is worst and -40 is better

    If you are using the Mac OS then use http://www.istumbler.net/

    if you want to optimise base station position and signal strength / dead spots use
    http://www.chimoosoft.com/products/apgrapher/ which has a graph function to monitor signal

    For windows 8 - I dont have windows 8 and not tried - but this should work
    MSPaint is only available in classic desktop mode and can not use this program with the new Windows 8 start screen.
    You can find MSPaint by typing “mspaint”, which will search and allow you to install.
    MS "Fresh Paint program" is for Windows 8, download free from the Windows 8 store.

    >Open Snipping Tool (From the Windows 8 Start Screen, type "snip" and press enter.
    >Press the Esc. key.
    >go back to your Windows 8 start screen - Swipe from left or press Window Button
    >Press Ctrl+PrntScr button to use Snipping Tool
  3. Lucky09


    Jan 14, 2013

    - First, make sure it is within range, which i assume it is.
    - Is the SSID (network name) hidden? The network might have been deleted and needed by be added manually. Do you happen to know the SSID (network name) and its security key?
  4. JazzySOUL


    Apr 26, 2011
    Sounds like your ssid is set to not broadcast itself and your laptop's wireless nic isnt set to connect when the ssid isnt broadcasted.
  5. Donkeyotay

    Donkeyotay Thread Starter

    Jan 17, 2013
    Thanks for all the replies.

    I changed the router channel to 12 two days ago, not realising that Windows can't see beyond Channel 9 (all other computers here are Linux based). I've not reset to Channel 9 and everything is working again.

    Best wishes
  6. etaf

    etaf Moderator

    Oct 2, 2003
    First Name:
    (y) thanks for letting us know

    glad you worked it out - that was one of the reason I wanted to see the xirrus screen shot - it will normally display all available channels 1-14

    windows can go between 1-14 and in US 1-11

    in the UK 1-13 is used and a lot of channels are using 1,6 and 11 as they do not overlap and so are often used

    heres the detail
    in US 1-11 is allowed
    in Japan 1-14
    rest of world 1-13 - UK

    if you want to post an xirrus from any machine - we can see if you have the best channel to avoid disconnects due to interference
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