You can then proceed to connect to the internet using iwctl. Try forcing a switch to the (non-free, but much more reliable) wl module by blacklisting any potentially interfering modules: rmmod b43 bcma ssb wl modprobe wl and then check if the wireless connection is now showing up when doing ip link. As mentioned on Broadcom wireless#Installation, the BCM4331 chipset used on 8,2 has issues with the b43 module and if the bcma or bcma-pci-bridge is the module loaded, you need to switch it. In that case, check what kernel module is being used, by running lspci -v and look for the Network controller called BCM4331. Sudo mount -o loop ubuntu.Note: For 8,2 (potentially for 8,1 and 8,3 as well) be aware that you might find that ip link does not show the wireless network card. Step 2: Launch the Terminal and mount the ISO image on the system like a CD/DVD. Rename it to a simple name like ‘ubuntu.iso.’ Step 1: Copy the Ubuntu ISO image in your home directory. Now, to ensure you won’t be performing the last two commands every time you reboot your Ubuntu system, write the rule into the configurations file with the command below: sudo modprobe -r rtl8723de & sleep 5 & sudo modprobe rtl8723de ant_sel=2 Method 2: Use the Ubuntu ISO image to install driversĪ remarkable fact is that this method doesn’t require you to have an internet connection. If you still can’t see any effect and the wireless is still not working, or you are experiencing a weak signal, execute the command below: sudo modprobe -r rtl8723de & sleep 5 & sudo modprobe rtl8723de ant_sel=2 If you notice a weak signal, run the command below: sudo modprobe -r rtl8723de & sleep 5 & sudo modprobe rtl8723de ant_sel=1 You could look at our post on Ten basic Linux commands to learn for every Beginner. However, please don’t panic copy every command and paste it on your Terminal. We will need to run a couple of commands in the Terminal, which might be quite overwhelming for a beginner. This post will show you how to fix this error and get your wireless connection up and working. Fix No WiFi Adapter Found Error on Ubuntu If that is not possible, you could opt for Tethering using your phone (Android or IOS). A quick fix would be to connect your PC to a wired connection using the ethernet port. But we still have some users complaining about this problem.Įven though we can’t use the wireless connection, we need internet access to solve this problem. However, Linux Kernel 5.4 release seemed to solve this problem as Ubuntu worked seamlessly with the driver.
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