I am running kernel 5.11.22-2 and I use a USB WiFi dongle to connect to my router. When I upgrade to a newer kernel like 5.12.19–1 or 5.13.5-1, the system does not detect the WiFi connection. I wondering why this is and need help on how to fix this. My USB WiFi dongle’s driver is rtl88x2bu.
Oh, btw. I had to download and install rtl88x2bu manually the first time since I do not have an Ethernet connection to my router. So I was unable to install the dkms-git version from AUR.
Okay, I am trying the uninstall procedure. But I ran into an error when executing the first command, in CLI specifically the sudo modprobe r $MODULE part.
lsmod should list all loaded modules… search there for the module. The command there just tries to filter the module name and unload it with sudo modeprobe -r module_name
The filtering did not work, so no module has been found. Therefore the parameter module was not there.
I was not able to find the module even using lsmod because the module was not installed for the kernel. So what I did was I borrowed a long ethernet cable from a friend, connected my machine to the router and I was able to get online. I then proceeded to download and install rtl88x2bu-dkms-git from the package manager, rebooted, and was able to connect to the web using my USB dongle.