I was using my wifi with no problem, but an hour ago I switched it off from system settings and then tried to turn it on again, but no success. it's about 1 month I am using it and I had no problem with WIFI except this one. I rebooted and went to windows 7, but even that OS can't turn it on!! this is rfkill list all: 0: sony-wifi: Wireless LAN Soft blocked: yes Hard blocked: yes 1: sony-bluetooth: Bluetooth Soft blocked: yes Hard blocked: yes 2: phy0: Wireless LAN Soft blocked: yes Hard blocked: yes