sitecore8 - Experience Editor is not showing the ribbon options in sitecore 8

Question

I have logged in to sitecore through administrator account. I have a page in my site if press 'experience editor' or preview button,editor ribbon is not displaying. I am new to sitecore, Is that a permission issue am facing?

Answer 1

If you see only header of the ribbon like that:

Click on the arrow on the right. You should see all the options:

If you don't see even the header, there must be some errors on the console.