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My laptop won't detect wireless networks.


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UnseenDane's Avatar
UnseenDane UnseenDane is offline
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28-Jun-2012, 10:17 PM #1
My laptop won't detect wireless networks.
So about a week ago my computer stopped picking up wifi signals even though I know they're active. I can connect to the internet using an ethernet cable, but my computer doesn't even detect the wireless internet that any device puts out. Could you please help me?
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etaf   (Wayne) etaf is online now
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29-Jun-2012, 02:52 AM #2
can we see a device manager screen shot and a xirrus screen shot

you can do this while connected by cable and then post the results

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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 paste here.


http://www.xirrus.com/Products/Wi-Fi-Inspector.aspx
Direct link to the program is here http://wpc.475a.edgecastcdn.net/0047...etup.1.2.0.exe

{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 NET Framework installed for the WiFi Inspector to function.

Run the program

A user guide is available here http://www.xirrus.com/Products/Wi-Fi...uide1-2-0.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, 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.
Full details are here http://library.techguy.org/wiki/TSG_...g_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.

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

how to access device manager for different windows versions
http://www.computerhope.com/issues/ch000833.htm

windows key and pause Key should open to allow device manager to be seen,
on a laptop you may need to use windows key + FN key + Pause Key

if this does not work then

Windows 7 or Vista
Click on the Start Orb
In the Start Search box type
device manager and then press enter

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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
Full details are here http://library.techguy.org/wiki/TSG_...g_a_Screenshot
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__________________
Wayne
Please let us know what the final solution was to any problem posted
TerryNet's Avatar
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Location: Ottawa, IL
29-Jun-2012, 11:02 AM #3
If you are trying to use a laptop's integrated wireless adapter is it switched on?

If an external wireless adapter does it have a LED to indicate that it has power?
UnseenDane's Avatar
UnseenDane UnseenDane is offline
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29-Jun-2012, 02:09 PM #4
It's external and I think it's working it's LED lights up orange no matter what position it's in. I have it switched to the on position so I don't think that's the problem.
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