System data shows out of date kernel (current supported kernel: linux612 6.12.68-1)
and unexpected Desktop Environment
System: Kernel: 6.12.4-1-MANJARO arch: x86_64 bits: 64 Desktop: KDE Plasma
Graphics data shows out of date nvidia driver (latest driver: linux612-nvidia 590.48.01-7 )
Graphics: Device-1: NVIDIA GA104 [GeForce RTX 3070] driver: nvidia v: 550.135 Display: server: X.org v: 1.21.1.21 with: Xwayland v: 24.1.9 driver: X: loaded: nvidia gpu: nvidia Info: Tools: api: eglinfo, glxinfo, vulkaninfo de: xfce4-display-settings gpu: nvidia-settings,nvidia-smi x11: xprop,xrandr
System Firmware/BIOS is also out of date
Machine: Type: Desktop Mobo: Micro-Star model: Z390-A PRO (MS-7B98) v: 1.0 serial: <filter> Firmware: UEFI vendor: American Megatrends v: 1.A0 date: 06/10/2020
Title Version Release Date File Size AMI BIOS 7B98v1F 2024-08-09 8.27 MB Download
Root partition is using ext4 filesystem:
Partition: ID-1: / size: 881.65 GiB used: 518.65 GiB (58.8%) fs: ext4 dev: /dev/nvme1n1p2
I suggest: Download and boot latest Live ISO manjaro-xfce-26.0.1-260114-linux618 and check if the keyboard and mouse is working with up to date packages
If keyboard and mouse is working in Live ISO, use manjaro-chroot to login to installed OS and update repository packages
sudo manjaro-chroot -a