Radio not working

Intel Intel pro/wireless 3945abg network...
April 15, 2010 at 10:27:42
Specs: Windows 7
Hi peeps and thanks for checking this out.

I have an Acer 5920G Aspire laptop and it has been working wonderfully for the last few years. However, as is rather common for this model, the DC power cable needed to be replaced as no power was being sent to the mobo. This chap at the college did this for me and it now all works again.

So I booted up but the wireless card, whilst still detected, would not connect. I press the keyboard hardware button to enable the wireless and it says across the screen 'Wireless LAN Disabled'. It used to turn it on and off respectively.

The guy who did this for me mentioned perhaps he had placed the two antenna on the wrong parts of the card (Aux and Main with the white and black cables which come from the screen) so I had swapped them over myself on the card yet I get the same problem.

I randomly stripped the whole machine apart including removing the screen but that did nothing to help.

Could it be a hardware fault with the radio antenna or could the card have simply faded and needs replacing?

I've updated drivers and even system roll backed to a time when it worked, to no avail.

Any advice or help on this matter shall be greatly appreciated.

Many thanks,

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April 15, 2010 at 10:35:47
From the sounds off it he might have accidentally hooked your WiFi card's power into the wrong connector or backwards. Is this correct?

If so it may be fried. If so, you can get a USB wifi cheap at most computer stores.

You may want to do a simple check to see if it is just that the driver was disabled. To do this and assuming you are using Windows XP...

Start -> Control Pannel -> Network Connections -> Right click the Wireless Driver -> See if there is an Enable or a Disable on the menu.

If enable click it and try your Key Board To turn it on.
If disable then it is working normally and may be what you dread.

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April 15, 2010 at 10:49:18
Thanks mate -

I am currently using an old Netgear USB adapter but with Windows 7 it cuts out every 5 mins or so and requires me to actually reboot the machine!

The card itself simply slots into the motherboard and the only cables from it are the two antenna - Aux and Main. As for the slot, I'm pretty sure it can only slot in one way - could it go in both?!

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April 15, 2010 at 10:55:16
Oh so this is a PC not a Notebook. Sorry, but most PCs do not have WiFi.

So yes, try the solution of checking the driver if it is enabled. If no success then reinstall the driver for the Wireless NIC.

Start -> Control Pannel -> Network Connections -> Right click the Wireless NIC.

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Related Solutions

April 15, 2010 at 11:33:30
Sorry, no it is a laptop - an Acer 5920G Aspire. The card fits into a socket on the motherboard.

I have tried the drivers and when selecting the adapter in the available adapters page, it shows as being enabled but not connected. I choose 'Diagnose' and it comes up saying I need to turn on Wireless capability (Wireless capability is turned off).

The hardware button to enable the wireless simply shows Wireless LAN disabled across the screen.


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April 15, 2010 at 13:23:53
You need to turn on your Windows Wireless Zero Configuration.

Start -> Run -> typeServices.msc

Scroll down the list until you get to the Windows Wireless and change the status from Manual to Automatic and start the service.

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April 15, 2010 at 14:09:19
Thanks mate -

Is that WLAN AutoConfig? Alas it is set to automatic and is currently running. I can't find any other wireless setting.

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April 16, 2010 at 08:04:34
No it is Windows Wireless Zero Config. Look at the hyperlink I gave you.

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April 16, 2010 at 08:19:28
I am using Windows 7 and that item is not available under services.msc.

I have installed Ubuntu as apparently this card works very well out of the box yet it doesn't work so I'm inclined to think perhaps it may be a hardware issue. Though I'm not sure what exactly - is it the card perhaps or the antenna?

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