by Guillermo Madero.
Hi Therene,
What Moodle version? What's the version of the other components (web server, database server, php).
You checked the web server error logs, but was there anything relevant?
Carefully review the following pages and their recommendations:
http://docs.moodle.org/27/en/Debugging#What_to_do_if_you_cannot_get_to_the_admin_screens
http://docs.moodle.org/27/en/Installation_FAQ#Why_are_all_my_pages_blank.3F
http://docs.moodle.org/27/en/Installation_FAQ#Why_is_a_particular_page_blank_or_incomplete.3F