I can not log in Facebook?

[F]

Hi Dear
I opened my Facebook in laptop and personal computer in office and phone, after that i can not open my Facebook. I typed my birthday date but tell me it is wrong!!! please tell me another way to log in my Facebook.

Regard

[Erika]

You're account may have been hacked.
Do you have a security question?
Also, you could type in your username, and click 'forgotten my password'
Hope this helps xxx

[abraXus]

use the "forgot password" link on the laptop