修復Ubuntu Fn+F5組合鍵失效(無線網路與藍芽硬體控制開關)

1. 無線網路與藍芽運作正常狀況
james@X61:~$ rfkill list
0: tpacpi_bluetooth_sw: Bluetooth
        Soft blocked: no
        Hard blocked: no
1: phy0: Wireless LAN
        Soft blocked: no
        Hard blocked: no
2: hci0: Bluetooth
        Soft blocked: no
        Hard blocked: no

2. 誤觸組合鍵Fn+F5導致無線網路與藍芽功能關閉
狀況一 : 再次點選組合鍵可啟動無線網路功能，藍芽功能仍失效(重開機有時可以修復)
狀況二 : 再次點選組合鍵無線網路與藍芽功能均失效
james@X61:~$ rfkill list
0: tpacpi_bluetooth_sw: Bluetooth
        Soft blocked: yes
        Hard blocked: no
1: phy0: Wireless LAN
        Soft blocked: yes
        Hard blocked: no

3. 透過rfkill指令來啟動關閉的無線網路與藍芽功能
james@X61:~$ rfkill unblock all
james@X61:~$ rfkill list
0: tpacpi_bluetooth_sw: Bluetooth
        Soft blocked: no
        Hard blocked: no
1: phy0: Wireless LAN
        Soft blocked: no
        Hard blocked: no
3: hci0: Bluetooth
        Soft blocked: no
        Hard blocked: no