Can't enable Flashplayer within Google Chrome

when attempting to sample a song on Amazon, I got an error message saying Flash player was blocked on the page. I couldn't get in from there to manage Flash Player, so I went to about:plugins and to the Flash Player box and checked the Always Allowed to Run box. I rebooted but it still didn't work. According to online instructions, there should be an enable and disable buttons in that box, but none are visible, either within Flash Player or the other plugins listed beside it. So I'm stuck as to what to do. As I understand, Flash Player is resident within Google Chrome and is supposed to automatically update. My current version showing in the box is 24.0.0.221. My only other option appears to be to download Flash Player outside of Google Chrome.