I have the same problem that you had. I created a blog using wordpress and uploaded a pre-made theme. I created pages. I can see index page perfectly. But when I click any of my pages or posts, the pages don't show up.
In setting/permalink, if I choose the default option, when I press the page, a pag shows up as below.
[To Parent Directory]
if I choose Day and Name or Month and name or Numeric, the pages show that there is 404 error. I don't know how to use custom structure or optional
It seems you have figured it out. Can you please explain the detailed steps to solve the problem if you don't mind?
Where can I see WordPress permlinks/.htaccess?
Where can I set allowoverride?
Look forward to hearing from you.