f you're having trouble logging in to your Facebook account, here are some things you can try.
Try recovering your Facebook account
Go to facebook.com/login/identify and follow the instructions. Make sure that you use a computer or mobile phone that you have previously used to log in to your Facebook account.
Search for the account that you want to recover. You can search for your account by name, email address or phone number.
Follow the on-screen steps to reset the password for your account.
Recover your Facebook account from a friend's or family member's account
From a computer, go to the profile of the account that you'd like to recover.
Click below the cover photo.
Select Find support or report profile.
Choose Something else, then click Next.
Click Recover this account and follow the steps.
If your password isn't working or you don't remember your password