Le Wifi ne s'affiche pas sur mon PC 16.04

Les réseaux Wifi ne sont pas répertoriés dans mon ordinateur portable Ubuntu 16.04. J'ai vu beaucoup de messages similaires ici, mais personne ne m'aide.

Voici l'erreur que j'obtiens dans mon terminal :

wlan0     Interface doesn't support scanning.

Sortie de lspci -knn | grep Net -A3; rfkill La liste est:-

03:00.0 Network controller [0280]: Qualcomm Atheros Device [168c:0042] 
 (rev 30)
  Subsystem: Lite-On Communications Inc Device [11ad:0806]
  Kernel driver in use: ath10k_pci
  Kernel modules: ath10k_pci, wl
  0: hci0: Bluetooth
  Soft blocked: yes
  Hard blocked: no
  1: acer-wireless: Wireless LAN
  Soft blocked: no
  Hard blocked: no

Logiciels et mises à jour de mon ordinateur portable comme suit

Sortie de dmesg | grep ath comme suit :

[   21.590152] ath10k_pci 0000:03:00.0: pci irq msi interrupts 1 
irq_mode 0 reset_mode 0
[   22.023398] ath10k_pci 0000:03:00.0: Direct firmware load for 
ath10k/cal-pci-0000:03:00.0.bin failed with error -2
[   22.023427] ath10k_pci 0000:03:00.0: Direct firmware load for 
ath10k/QCA9377/hw1.0/firmware-5.bin failed with error -2
[   22.023433] ath10k_pci 0000:03:00.0: could not fetch firmware file 
'ath10k/QCA9377/hw1.0/firmware-5.bin': -2
 [   22.023448] ath10k_pci 0000:03:00.0: Direct firmware load for 
ath10k/QCA9377/hw1.0/firmware-4.bin failed with error -2
[   22.023452] ath10k_pci 0000:03:00.0: could not fetch firmware file 
'ath10k/QCA9377/hw1.0/firmware-4.bin': -2
 [   22.023466] ath10k_pci 0000:03:00.0: Direct firmware load for 
ath10k/QCA9377/hw1.0/firmware-3.bin failed with error -2
 [   22.023470] ath10k_pci 0000:03:00.0: could not fetch firmware file 
'ath10k/QCA9377/hw1.0/firmware-3.bin': -2
[   22.023481] ath10k_pci 0000:03:00.0: Direct firmware load for 
 ath10k/QCA9377/hw1.0/firmware-2.bin failed with error -2
 [   22.023484] ath10k_pci 0000:03:00.0: could not fetch firmware file 
 'ath10k/QCA9377/hw1.0/firmware-2.bin': -2
 [   22.023491] ath10k_pci 0000:03:00.0: Direct firmware load for 
 ath10k/QCA9377/hw1.0/firmware.bin failed with error -2
 [   22.023493] ath10k_pci 0000:03:00.0: could not fetch firmware (-2)
 [   22.023496] ath10k_pci 0000:03:00.0: could not fetch firmware 
 files 
 (-2)
 [   22.023498] ath10k_pci 0000:03:00.0: could not probe fw (-2)

La sortie de la politique apt-cache linux-firmware est la suivante :

linux-firmware:
Installed: 1.157
Candidate: 1.157
Version table:
*** 1.157 500
    500 http://archive.ubuntu.com/ubuntu xenial/main amd64 Packages
    500 http://archive.ubuntu.com/ubuntu xenial/main i386 Packages
    100 /var/lib/dpkg/status