Re: CentOS 7.2 laptop Intel Corporation Centrino Wireless-N 2230 (rev c4)

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On Thursday 14 April 2016 03:42:50 Philip V wrote:
> With CentOS 7.2 a laptop wireless card is recognized in dmesg, but
> nonfunctional. Toggling the hardware wifi switch causes the
>  Bluetooth icon to appear and disappear. The network configuration
>  window shows the Wireless tab greyed out.  Rebooting with the
>  bluetooth enabled does not help. It appears the appropriate driver
>  is iwlwifi, which is what works in Fedora and appears to be
>  available and installed in CentOS.
> 
> lspci gives
> 08:00.0 Network controller: Intel Corporation Centrino Wireless-N
>  2230 (rev c4)
> 

I had similar problems installing 7.2 onto a couple of Dell E6xxx 
laptops with 
Intel Corporation Centrino Ultimate-N 5300/6300 cards. It lets me 
configure the network at install time but when I boot there is no wifi 
device.

Partial solution.

Laptop 1.  ( install when 7.1 was latest release )
        installed 7.1        no wifi
	installed 7.0        wifi works
        upgraded to 7.1 several months ago    wifi works
        upgraded to 7.2 when it was released   wifi works

Laptop 2   ( install when 7.2 was latest release )
         installed 7.2      no wifi
         installed  7.0     wifi works
         upgraded to 7.2 ( last weekend )   no wifi


Any ideas.

Regards
Tony

-- 
Linux nogs.tonyshome.ie 2.6.32-573.22.1.el6.x86_64 #1 SMP Wed Mar 23 
03:35:39 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
      
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