Usb dongle picks up neighbour's wireless signals but not mine..?

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marmaris

Thread Starter
Joined
Sep 25, 2009
Messages
8
Hi

i have acer laptop with built in wireless etc
i have also an old HP desktop computer and i have been using USB dongle to access to internet

Currently my HP desktop computer's USB dongle doesn't pick up my wireless signal but it does pic up all my neighbours networks as i can see the list of more than 10 available wireless connections there but not my own one !

I am sitting here and my laptop pick up my wireless signal with no problem but the other computer's USB dongle doesn't pick it up !

someone told me that this is all to do with my security software which is norton 2012

but i have been connecting to internet with this usb dongle before but suddenly it all stopped

can someone please help me

regards and thanks
 

etaf

Wayne
Moderator
Joined
Oct 2, 2003
Messages
65,486
norton, can give connection problems - not seen it stop seeing the networks

from the working laptop as near to the desktop as possible - post and xirrus (see below) and make sure we know which is your network
and also post an xirrus from the desktop - make sure we know which xirrus is which

are you paying a subscription to norton, if not then remove it with the removal tool - (see below)

------------------------------------------------------------------------
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.

http://www.xirrus.com/Products/Wi-Fi-Inspector.aspx
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) 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.
OR
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

Note:
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
------------------------------------------------------------------------

--------------------------------------------------------------

Norton Removal Tool
I would recommend that you restart the PC and run the removal tool for a second time - I have found instances where the removal tool needs to be run twice to fully remove all traces of norton and symantec from the PC
https://www-secure.symantec.com/nor...t=Norton Core&pvid=f-core-cur&version=current

All Versions - The Norton Removal Tool uninstalls all Norton 2010/2009/2008/2007/2006/2005/2004/2003 products, Norton 360 and Norton SystemWorks 12.0 from your computer.
http://majorgeeks.com/Norton_Removal_Tool_SymNRT_d4749.html

--------------------------------------------------------------
 

marmaris

Thread Starter
Joined
Sep 25, 2009
Messages
8
i don't think there is anything wrong with my router (using talktalk router here in UK) because my laptop does pick up the signal with no problem

but for some reason my desktop computer's usb dongle can not see my talktalk signal but can pick up all other signals around my house
 

etaf

Wayne
Moderator
Joined
Oct 2, 2003
Messages
65,486
i'm in UK on talktalk too

can you post the tests - just wanted to see the difference between laptop and desktop with xirrus - quite a good diagnostic
 

TerryNet

Terry
Moderator
Joined
Mar 23, 2005
Messages
81,424
What channel are you using? What channels does the USB wireless adapter/driver support?
 
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