I’m not sure whether Chromebooks can boot from an external drive. It appears to be looking for a filesystem image, but an installed Manjaro system is not a filesystem image anymore.
Furthermore, Wikipedia has this to say about Chromebooks…
Either way, you will have to look into the documentation/manual of your Chromebook. This is not a generic x86-64
machine.
Furthermore, as @omano brought up, if your Chromebook uses an ARM-based processor — personally, I don’t know whether that is the case — then you won’t be able to run an x86-64
system on it.
Interesting point.
Indeed, it can’t and it won’t.
Exactly. It’s a pretty locked-down device by default, and cracking it open is not for the faint of heart, just as Manjaro itself is not a suitable distribution for absolute beginners.
@Luke90, please read the following essay…
Laris is a Romulan female who served at Jean-Luc Picard’s winery in France as his housekeeper, and who later on became his lover, about a year and a half after her husband Zhaban had passed away.

Laris
Laris was a 24th century Romulan female who worked as a housekeeper in the service of Jean-Luc Picard, alongside her husband Zhaban. She served in this capacity at least since Picard's retirement in the 2380s. Her name meant "A New Day" in the...