1st update your system, your not up to date: sudo pacman -Syu See if that fixes it, if not continue The taskbar (KDE Plasma) becomes unresponsive because it is waiting for a response from the network stack or the driver, which has entered a “zombie” or “D-state” (uninterruptible sleep). This also explains the long shutdown times, as the system waits for the stuck driver process to terminate. sudo nano /etc/NetworkManager/conf.d/default-wifi-powersave-on.conf Change the value from 3 to 2 [connection] wifi.powersave = 2 Restart NetworkManager: sudo systemctl restart NetworkManager If the power management fix doesn’t work, you may need to disable ASPM via a kernel parameter. This prevents the PCIe bus from putting the card to sleep. Edit your bootloader configuration (usually via sudo nano /etc/default/grub # or sudo nano /boot/limine.conf or whatever bootloader your using. add pcie_aspm=off sudo update-grub or sudo limine-update then reboot and test.