not adequate - the kernel will be installed with:
but the initrd is still missing - and the grub configuration is not updated
update-grub would do this
or:
Why not:
mhwd-kernel -i linux_xyz
?
the Manjaro way to install kernels
This should be all that is needed if the file system is not btrfs.
(same link as in the first post)
Whatever the case may be - we need commands and their output to spot what might not have worked.