Make sure the flash player is enabled. In chrome go to settings - click on advanced settings - click on the content settings button and scroll down you will see the flash section. Make sure it's enabled.
if that doesn't work go to chrome://flags and scroll down til you see
Run all Flash content when Flash setting is set to "allow" Mac, Windows, Linux, Chrome OS
For sites that have been set to "allow" Flash content, run all content including any that has been deemed unimportant. #run-all-flash-in-allow-mode
and change it to enable from default.