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My Ubuntu suddenly doesn't seem to have a wifi adapter..or any network adapater actually. I noticed this after i tried to connect to my office LAN and changed set the LAN settings.

When i open 'Network Connections' i get a message saying something like 'The device is not compatible with this service'

I've also just noticed another problem ..which i think will be better presented after this.

So there it is...any ideas friends?

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You have first to try another driver from jockey,
if it does not work then you can use ndisgtkif you have your wireless driver for windows this program will create a driver for linux starting from Windows driver,
if it does not work you can see this for detecting you wireless card then download the driver from here

or finally if those does not work try this
sudo apt-get install firmware-b43-installer
or this
sudo apt-get install firmware-b43-lpphy-installer in the command line

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