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#1 2024-08-25 04:58

hcy1
Member
Registered: 2024-08-25
Posts: 2

Unable to search for Wi-Fi

I have install Q4OS on my Macbook Air successfully. Everything works well except that the system can't search for Wi-Fi connection. When I went to settings to check the Wi-Fi, it showed that the laptop have been connected to a wired connection called "lo".
When I tried to install the corresponding NIC driver, it indicated the system had installed the NIC driver.

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#2 2024-08-25 08:01

hchiper
Member
From: Belgium
Registered: 2020-07-28
Posts: 518

Re: Unable to search for Wi-Fi

"lo" is a connection called "loopback" to your computer itself, with 127.0.0.1 as IP address. If you have a web server (apache for example) running on your machine you can type 127.0.0.1 in the address bar of a web browser to get your home page.

  • Which version of Q4OS and which desktop do you use?

  • How did you check the Wi-Fi? Did you use the network icon in the taskbar?

  • What is the output of $ sudo rfkill? (install rfkill if it is not present: $ sudo apt install rfkill).

  • It could be useful to have the output of $ inxi -Fxxx (type all the commands having $ in a Konsole, without the $ sign).


Q4OS machine: Samsung R519 - Pentium T4200 2.0 GHz - 4 GB RAM - 500 GB SSD

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#3 2024-08-26 02:10

hcy1
Member
Registered: 2024-08-25
Posts: 2

Re: Unable to search for Wi-Fi

:~$ sudo rfkill
[sudo]  的密码:ID TYPE      DEVICE      SOFT      HARD
0 bluetooth hci0   unblocked unblocked
System:
Host: macbookair72 Kernel: 6.1.0-23-amd64 arch: x86_64 bits: 64
    compiler: gcc v: 12.2.0 Desktop: KDE Plasma v: 5.27.5 tk: Qt v: 5.15.8
Network:
  Device-1: Broadcom BCM4360 802.11ac Wireless Network Adapter vendor: Apple
    driver: bcma-pci-bridge v: N/A pcie: speed: 2.5 GT/s lanes: 1
    bus-ID: 03:00.0 chip-ID: 14e4:43a0 class-ID: 0280

As shown above, the computer I am using is a MacBook Air 7,2 and the network card model is a Broadcom BCM4360.

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#4 2024-08-26 10:29

q4osteam
Q4OS Team
Registered: 2015-12-06
Posts: 4,492
Website

Re: Unable to search for Wi-Fi

Your wireless adapter may work with newer kernel, so we recommend you to try install kernel from Debian backports:
- Add Debian backports repo:
$ sudo qrepoadd --gui
and run installation:
$ qinst-kernel-bpo

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#5 2024-08-26 10:45

hchiper
Member
From: Belgium
Registered: 2020-07-28
Posts: 518

Re: Unable to search for Wi-Fi

I see that rfkill shows only a Bluetooth device, but no wlan (= Wi-Fi) device, blocked or unblocked.


Q4OS machine: Samsung R519 - Pentium T4200 2.0 GHz - 4 GB RAM - 500 GB SSD

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