Updating the BIOS

Likely not.

While the update should not be so difficult
that would be a good choice.

Try to describe and address your current issues in a new, dedicated post.

A BIOS update is unlikely to be the cure - IMO. :man_shrugging:

Nvidia graphics is notorious for giving Problems - especially in a rolling distro like Manjaro.

… if Ubuntu or Mint work - they keep working …
all throughout the lifetime of the installed version at least.

Not necessarily the case for Arch/Manjaro