Turning on Caps Lock on an HP Chromebook is different from a Windows laptop. Because Chromebooks typically don't have a dedicated Caps Lock key. Here's how to do it:
Instead of a physical Caps Lock key (as mentioned in the reference that "normally on a windows laptop or windows computer you would have a capstock key here"), Chromebooks use a key combination.
To turn on Caps Lock on your HP Chromebook, press and hold the Search key (or Launcher key) and the Alt key simultaneously. This will activate Caps Lock. To turn it off, simply repeat the same key combination: press and hold the Search key (or Launcher key) and the Alt key again.