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I installed Ubuntu 24.04 on my PC a few moths ago and for these months the Wi-Fi was working fine.

I kept the PC off for a few days. Now that I have turned it back on the Wi-Fi is not working. If I open the Wi-Fi setting page I get the message "No Wi-Fi adapter found".

Following the script in this question I have gathered the wi-fi information here https://termbin.com/pnv0v

The system is updated (Ubuntu 24.04.1 LTS). The kernel version is Linux 6.8.0-51-generic.

I have already tried the following with no success (they were already installed):

sudo apt install linux-firmware
sudo apt install broadcom-sta-dkms

Any suggestion is welcome.

Mil
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3 Answers3

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Your log clearly shows that no WiFi hardware has been recognized. What puzzles me is this entry:

[/etc/modprobe.d/iwlwifi.conf]
remove iwlwifi \
(/sbin/lsmod | grep -o -e ^iwlmvm -e ^iwldvm -e ^iwlwifi | xargs /sbin/rmmod) \
&& /sbin/modprobe -r mac80211

Here the iwlwifi driver is being removed - maybe because the system doesn't recognize your hardware anymore.

I had a similar case once and needed to install the linux-firmware packages:

sudo apt install linux-firmware

Reboot and report back

Update

This is the information from your link:

Subsystem: ASUSTeK Computer Inc. BCM4352 802.11ac Dual Band Wireless Network Adapter [1043:855c]    
Kernel modules: bcma, wl

Try this answer in hope that this package contains the bcma kernel module

kanehekili
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Just faced the similar issue. In my case the lack of Wi-Fi adapter appeared after the laptop was awaken from suspended state.

Simple multiple reboots didn't help, but cold boot fixed the problem (disconnecting power sources and [in case of Asus laptop] holding power button for 20 seconds).

m0leynik
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Same thing happens with me. For me the fix was to downgrade linux-firmware from 20240318.git3b128b60-0ubuntu2.9 to 20240318.git3b128b60-0ubuntu2 by using

sudo apt install linux-firmware=20240318.git3b128b60-0ubuntu2 -y
Alpha
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