5

I got a Lenovo Legion Y520 and first thing I did was install Ubuntu 18.04 LTS.

I ticked the "install third party software for graphics and wifi hardware" tickbox and installed it. However, in WiFi settings, the message "No Wi-Fi Adapter Found" is displayed.

The "Additional Drivers" tab in "Software & Updates" doesn't show anything related to WiFi.

I also ran this command in the Terminal:

lspci | grep Network

and this was the output:

02:00.0 Network controller: Qualcomm Atheros QCA9377 802.11ac Wireless Network Adapter (rev 31)

Should I try installing an older version of Ubuntu?

Thanks in Advance.

Edit:

I ran this command:

lspci -knn | grep Net -A3; rfkill list

And this is the output:

02:00.0 Network controller [0280]: Qualcomm Atheros QCA9377 802.11ac Wireless Network Adapter [168c:0042] (rev 31)
    Subsystem: Lenovo QCA9377 802.11ac Wireless Network Adapter [17aa:0901]
    Kernel driver in use: ath10k_pci
    Kernel modules: ath10k_pci, wl
03:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 10)
0: ideapad_wlan: Wireless LAN
    Soft blocked: no
    Hard blocked: yes
1: ideapad_bluetooth: Bluetooth
    Soft blocked: no
    Hard blocked: yes
2: hci0: Bluetooth
    Soft blocked: no
    Hard blocked: no
3: phy0: Wireless LAN
    Soft blocked: no
    Hard blocked: no
  • Please edit your question and add output of lspci -knn | grep Net -A3; rfkill list terminal command. – Pilot6 Jun 23 '18 at 17:43
  • Your wifi appear to be hard blocked. Check for a physical button on the notebook to unblock it. – velix Jun 23 '18 at 17:55
  • There is no button. It is a problem with new Lenovo models. A kernel quirk is needed. – Pilot6 Jun 23 '18 at 18:11
9

The device is blocked by a platform ideapad driver. Run in a terminal

sudo tee /etc/modprobe.d/blacklist-ideapad.conf <<< "blacklist ideapad_laptop"

and reboot.

And also I recommend to remove the Broadcom driver that you installed.

sudo apt purge bcmwl-kernel-source
| improve this answer | |
  • THANK YOU! If anyone stumbles upon this problem on Arch Linux, the first command fixes the wifi problem! Thanks! – Nahuel Jun 19 '19 at 1:59
  • Fixed for me too, thank you! – randompast 2 days ago

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