When you have all the parts of a PC and you need to connect them into a working PC, which is the appropriate verb to describe this action: build, assemble or something else?
Assemble is the verb you need to use, as you are putting together all the parts. All PC companies, and even the ones who custom-make them, use the word assemble.It is the accepted industry term.
Assemble: fit together the separate component parts of (a machine or other object). "my new machine is being assembled and my old one dismantled"