Problem with Cisco

Guys,
Good day! i have a problem with my cisco here… it happened after i change the enable password. I can’t enter the configuration (EXEC Level). My password doesn;t accept? (i’m sure about the password). What i remember i did was, I enter the configuration and then Enable.. I choose the hidden with No. 7 and then i save..after that i can’t enter the enable… Please help me here.. how can i enter the confugration noW!… it will be a big help is some one help!

Thanks
Jess