wireless lan card disconnected

December 10, 2007 at 09:38:43
Specs: winxp, don't know
I have a PC and laptop. The PC is cable but connected with the laptop with a wireless router. Today I can't type on the laptop as the letters don't come up. At the bottom an icon has appeared and it says. Ralink wireless lan card disconnected.
How has this happened and how can I connect it again. I have no idea what a lan card is


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#1
December 10, 2007 at 11:03:03
LAN is Local Area Network.
A LAN card is a device that has hardware and circuits that allow you to connect to a network between computers or other network related devices, such as a router, and the internet.
If the wireless is wireless B or G, it's common for the wireless connection to fail smetimes; it's less common if it's wireless N.
Directly wired network connections are rock solid reliable.
The message means the wireless LAN card is no longer connecting to the router.
If you haven't been messing with settings to do with your wireless network, try "rebooting" the router - if it has a power switch, turn it off for ten seconds, then turn it back on - if it has no power switch unplug it's power at the router for ten seconds, then plug it back in . It will take a short while for the status leds on the router to indicate a good connection, then your wireless LAN card should then get a good connection, and the message should go away.

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#2
December 10, 2007 at 13:31:50
Thank you. I tried that and it still remains the same. Some of the keys work but some don't. The laptop is only 7 mths old.
When I came to shut it down earlier today, a window came up saying another device was plugged into the laptop and if I shut down, data would be lost. Does this indicate that someone was using this wireless connection without my knowledge (i.e. illegally from their car ot a neighbour)and could they have damaged the equiptment? This hasn't happened in the 7 mths before.

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#3
December 10, 2007 at 15:28:36
I just rang the IT people and they asked me to do a system restore but it hasn't worked. They'll need to come out to it now under the insurance claim/contract

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#4
December 11, 2007 at 20:11:16
"When I came to shut it down earlier today, a window came up saying another device was plugged into the laptop and if I shut down, data would be lost. "

You are mis-stating things. If you have a network between computers, if one computer is accessed through the other, or even if yopu attempt to do that, or if you have My Computer or Windows Explorer set to map network drives, you will get a message that a user is still connected when you want to Shut Down , and that is normal - if your're not transferring data between your computers at the time, there is no risk of data loss.
And besides, no one else can access your wireless network because of default settings if you have SP2 installed - there is an encryption key on the connection - in your Network settings it probably says the wireless connection is Secure.


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#5
December 12, 2007 at 06:25:07
Thanks Tubes, it's just that it has never put up a window saying another devise if plugged in to the laptop. I took it back to PC World this morning and it needs to go for repair then health check so it will be after xmas when it is returned.
They thought it may have a virus in it!!

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#6
December 12, 2007 at 09:25:22
"Thanks Tubes, it's just that it has never put up a window saying another devise if plugged in to the laptop."

The message has to do with another User accessing the network between your computers, not another device. If it's your own network and the wireless connection is Secure (protected with an encryption KEY or code), the other User can only be YOU.
If you are simply using either or both computers to connect to the router and to the internet, that does not involve the local or home network beteen your 2 computers - in fact both computers can access the internet fine without you having to have a local or home network set up at all.
It's only when you use or try to use one computer to connect to the other computer on your own local home network yo get the message while shutting down.

You appear to have software problems of some sort to do with your network settings that can probably be resolved by the tech support guys, but this is a weird symptom that may have nothing to do with that:
"Today I can't type on the laptop as the letters don't come up".

Normally we would suggest some things you could try, but it appears you don't have enough knowledge and that would take a lot of doing, so you are probably best off having them analyze the problems, especially since it is still under warranty.
However, you should be made aware tech people will often wipe the hard drive and re-load the original software if they can't figure out the problems in a short time - if you have any personal data on the drive you don't want to lose, you will have to tell them to save it for you so that it can be re-loaded and you'll probably have to pay for that service yourself despite it being still under warranty.


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