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Date: Fri, 3 Aug 2012 02:36:07 +0300
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Subject: Re: No WLAN on DELL XPS L702x with Ubuntu 12.04LTS (64Bit)
From: Emmanuel Grumbach <egrumbach@gmail.com>
To: Andreas Hartmann <andihartmann@01019freenet.de>
Cc: "Ch. Hanisch" <ch-hanisch@t-online.de>,
	linux-wireless@vger.kernel.org
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>
> Can you try to switch the NIC cards between the 2 laptops (you told me
> one is working the other one isn't)?
> If you are afraid to void the warranty then it is probably not a good idea.
>
> Did you try to install windows on the same machine?

And yes before you open any laptop with a screwdriver, please try to
copy the .ucode files  as suggested by Andreas.
Thanks