see this
boot on USB iso manjaro
do chroot ( sudo manjaro-chroot -a )
check list kernels installed & files /etc/mkinitcpio.d/*.preset
i think you should remove 5.7.preset
and then redo mkinitcpio for others
sudo manjaro-chroot -a
ls /etc/mkinitcpio.d/*.preset
mhwd-kernel -li
rm /etc/mkinitcpio.d/<name57>.preset
mkinitcpio -P
update-grub
exit
then reboot
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