It seems xkb/xorg keyboard modifier changed for your case (Lenovo has a bad history). So already pre-defined shortcuts are not working like
Super + D = Desktop Super + F = File Lens
So instead use Ctrl+Alt+x, Ctrl+Alt+F etc from control-center->keyboard->shortcuts.
It seems xkb/xorg keyboard modifier changed for your case (Lenovo has a bad history). So already pre-defined shortcuts are not working like
Super + D = Desktop
Super + F = File Lens
So instead use Ctrl+Alt+x, Ctrl+Alt+F etc from control- center- >keyboard- >shortcuts.