Possible Duplicate:
“SIOCSIFFLAGS: Operation not possible due to RF-kill”?
what is RF Kill
& how do i fix it
Possible Duplicate:
“SIOCSIFFLAGS: Operation not possible due to RF-kill”?
what is RF Kill
& how do i fix it
I hope this linkage will be helpful: http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html/Power_Management_Guide/RFKill.html
But some more information from your side would be great to "solve" your problem.