No wifi on a fresh Manjaro KDE install

Support Network
5

An interweb search on the chip provides a lot of “the driver is known to be buggy”.

Maybe this thread could be of use? Mediatek MT7921e wifi driver issue - #8 by LeakyMemory

Specifically:

  1. You can see the PCI-ID under chip-ID
  2. You can see there’s now a wlp4s0 network interface

You seem to miss the interface in your inxi