Lenovo v510과 함께 Qualcomm Atheros를 사용하는 Ubuntu 16.04의 Wi-Fi 문제

Ubuntu 16.04를 실행하는 Lenovo v510이 있는데 무선을 사용할 수 없습니다. "Wi-Fi 활성화"는 효과가 없으며 네트워크가 표시되지 않습니다. 내가 시도한 일부 명령과 해당 출력은 다음과 같습니다.

$ lspci  | grep Network
03:00.0 Network controller: Qualcomm Atheros Device 0042 (rev 31)

---

$ lsmod | grep ath
ath10k_pci             45056  0
ath10k_core           344064  1 ath10k_pci
ath                    28672  1 ath10k_core
mac80211              782336  1 ath10k_core
cfg80211              602112  3 mac80211,ath,ath10k_core

---

$ dmesg | grep 02:00
[    0.581406] pci 0000:02:00.0: [10ec:8168] type 00 class 0x020000
[    0.581425] pci 0000:02:00.0: reg 0x10: [io  0xe000-0xe0ff]
[    0.581452] pci 0000:02:00.0: reg 0x18: [mem 0xd1204000-0xd1204fff 64bit]
[    0.581470] pci 0000:02:00.0: reg 0x20: [mem 0xd1200000-0xd1203fff 64bit]
[    0.581563] pci 0000:02:00.0: supports D1 D2
[    0.581564] pci 0000:02:00.0: PME# supported from D0 D1 D2 D3hot D3cold
[    0.581653] pci 0000:02:00.0: System wakeup disabled by ACPI
[    1.438631] r8169 0000:02:00.0 eth0: RTL8168h/8111h at 0xffffbc8b4003d000, 54:ab:3a:e4:7d:ed, XID 14100800 IRQ 125
[    1.438632] r8169 0000:02:00.0 eth0: jumbo features [frames: 9200 bytes, tx    checksumming: ko]
[    1.454402] r8169 0000:02:00.0 enp2s0: renamed from eth0
[    4.154735] r8169 0000:02:00.0 enp2s0: link down
[   73.097799] r8169 0000:02:00.0 enp2s0: link up

---

$ rfkill list all:
0: ideapad_wlan: Wireless LAN
    Soft blocked: no
    Hard blocked: yes
1: ideapad_bluetooth: Bluetooth
    Soft blocked: yes
    Hard blocked: yes
2: hci0: Bluetooth
    Soft blocked: yes
    Hard blocked: no
3: phy0: Wireless LAN
    Soft blocked: no
    Hard blocked: no

무선 네트워크를 작동시키려면 어떻게 해야 합니까?