I tried sudo pacman -S grub and sudo update-grub via liveCD chroot already but with sudo update grub it didn’t even detect manjaro.
Of note are: It was a fresh install. I recently immigrated from ubuntu. I changed my root password after it oddly refused to accept the same password it used to before. This behavior was during update. And someone with a similar problem solved it via kernel messing but i can’t find that thread anymore.
you are not giving enough information to understand and solve the problem.
What your grub menu looks like now?
Please use the installation media to chroot to your Manjaro system and run this commands:
inxi --admin --verbosity=7 --filter --no-host
Post the output of every command. Enclose every command output between these marks ``` like this:
To get something like this: