Ubuntu – Ubuntu 14.04 Ralink RT 3290 wireless lan hard blocked

$ rfkill list
0: phy0: Wireless LAN
    Soft blocked: no
    Hard blocked: yes
1: asus-wlan: Wireless LAN
    Soft blocked: no
    Hard blocked: no
2: asus-bluetooth: Bluetooth
    Soft blocked: no
    Hard blocked: no

$ lspci | grep Wireless
03:00.0 Network controller: Ralink corp. RT3290 Wireless 802.11n 1T/1R PCIe

$ uname -a
Linux ASUS-X75VC 3.13.0-24-generic #46-Ubuntu SMP Thu Apr 10 19:11:08 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux

Does anyone have any idea what's wrong?

UPD:

$ sudo rfkill block wifi
$ rfkill list 
0: phy0: Wireless LAN
    Soft blocked: yes
    Hard blocked: no
1: asus-wlan: Wireless LAN
    Soft blocked: yes
    Hard blocked: no
$ sudo rfkill unblock wifi
$ rfkill list 
0: phy0: Wireless LAN
    Soft blocked: no
    Hard blocked: yes
1: asus-wlan: Wireless LAN
    Soft blocked: no
    Hard blocked: no