As a side note: after reading a lot of different forum topics I found
the following method how to change "Hard blocked: yes" state to "Hard
blocked: no" state of the "rfkill list" output.
On Toshiba Satellite C50-B-19U laptop, start from powered off state.
Laptop batter can remain in the laptop (it is not removeable anyway
easily in case of this model). AC adapter can remain plugged. Push the
power button and keep it pressed. The laptop will not power up until
power button is held pushed. After about 10 seconds the white LED
showing that the AC adapter is connected properly is goes off and blinks
once. After this the white LED is on again. The power button was kept
pushed until 30 seconds is elapsed (but I'm not sure if it is needed at
all, the blink of the white LED seems to be a good feedback.) When the
power button is released the laptop keeps turned off. Pushing the power
button again shortly starts the laptop and the following BIOS message
appears:
**** RTC battery is low ****
Press Enter to set Date/Time.
[Enter]
After this BIOS Setup appears ("TOSHIBA Setup Utility") and System Time
starts from 00:00:00, System Date starts from 01/01/2014. Set the time
and date manually and then boot Ubuntu. The "rfkill list" shows now
"Hard blocked: no"
root@ubuntu:~# rfkill list
1: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
root@ubuntu:~# root@csuka-ubuntu:~# rfkill list
1: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
root@ubuntu:~#
I don't know, however, how to reproduce the original state of this bug
report: how to enable "Hard blocked: yes" state again on the internal
WiFi adapter.
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https://bugs.launchpad.net/bugs/1528009
Title:
hard blocked rfkill status of second WiFi adapter is incorrectly
handled
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