On Monday 19 Oct 2015 11:32:50 Mansour Al Akeel wrote:
> The hardware button (hidden on Lenovo T420s), was switched off.
> Sorry for this guys.

No problem - some times it is easy to think that the switch is on, when in 
reality it was toggled to off.  The give away in your log was this:

[64525.131109] iwlwifi 0000:03:00.0: L1 Enabled - LTR Disabled
[64525.131401] iwlwifi 0000:03:00.0: RF_KILL bit toggled to disable radio.

-- 
Regards,
Mick