Hi omataclas
According to the help screen for rfkill:
tc@E310:~$ rfkill --help
Usage:
rfkill [options] command [identifier ...]
Tool for enabling and disabling wireless devices.
Options:
-J, --json use JSON output format
-n, --noheadings don't print headings
-o, --output <list> define which output columns to use
-r, --raw use the raw output format
-h, --help display this help
-V, --version display version
Available output columns:
DEVICE kernel device name
ID device identifier value
TYPE device type name that can be used as identifier
TYPE-DESC device type description
SOFT status of software block
HARD status of hardware block
Commands:
help
event
list [identifier]
block identifier
unblock identifier
For more details see rfkill(8).
tc@E310:~$
Have you tried using the unblock function:
sudo rfkill unblock identifier
where identifier is what was returned by rfkill list.
If you can't unblock it that way, then you may have to do it through your machines BIOS or
a setup screen for the machine.