After updating system and changing kernel to zen one, system not booting

General system Kernel, boot, graphics & hardware
9

Worked like a charm. Thank you a mill pebcak :heart:

steps for solution:

arch-chroot
pacman -Syu
pacman -S linux-lts linux-lts-headers
pacman -S linux-zen linux-zen-headers
grub-mkconfig -o /boot/grub/grub.cfg