WiFi permanently disappeared after booting test kernel

[Joe Zeff]

On 01/31/2013 02:19 PM, Mike Fleetwood wrote:
> Hi,
>
> On my netbook I booted a test kernel 3.8.0-rc4+ I compiled.  Now after
> booting back into my regular Fedora kernel 3.6.11-5.fc17.i686.PAE my
> wifi network device remains permanently disappeared.  No wifi networks
> displayed in Network Manager gui.  Also the Network Manager syslog
> messages make it look like the device has completely disappeared.
>
> Suggestions for restoring wifi welcome.

Ignore the test kernel as a possible cause until you've checked 
everything else.  Just because it happened after trying it and going 
back to a regular kernel doesn't mean it's responsible.