Ask
Site shows white (blank) page after upload on hosting. I can log in the administration control panel, but have no idea what to look for to fix this problem.
Answer
Delete index.html or default.html in your Joomla! directory if you find them. You can enable Error Reporting (Display Error) in Joomla! Configuration to view error message on your website.
Read more at: http://joomtut.com/joomla-tips-and-tricks/68-how-to-find-http-error-500-in-joomla.html