how to revert to default setting?

Support Basics & Interface
1

i messed up my blender ui setting… it render black screen only now… i duno what happen … worse is i saved to save default setting n now how do i revert everything back to zero??

pls help

2

http://mediawiki.blender.org/index.php/FAQ/Basic_Information#How_do_I_restore_default_settings_of_Blender.3F