So many times that we register in virtual services that we end up losing the keys of each one or confusing them with each other. This does not escape Facebook, so following the general rule blocks accounts that try to access your Facebook account with a different password and thus protect the account.
There is a lot of information about the different ways to How to sign in to Facebook without a password, looking to reestablish your account, always contacting the forms and options that Facebook offers you, otherwise you will not be able to access your account without a password.
You can not sign in to Facebook without a password
The only option that has no alternative is the power How to sign in to Facebook without a password, so you need to re-establish the password by creating a new password that allows you access, being necessary to have active the email associated with your Facebook account Or, failing that, the mobile phone number you registered.
Recover password to sign in to Facebook
You have several options, the main is to use the “forgot my password” function that you will find entering the main page of Facebook, after clicking there you will have to follow other steps to reset the password.
Verify your email. This can be achieved through a link that is sent to your email or recognizing the mobile phone number associated with your account, where you receive an instant code via SMS or even a call with the code that you must enter to continue with The password change.
The above steps are necessary to enter a new key and if you have done everything well you have already reestablished access to your account. If for some reason you can not log into Facebook there is still the possibility to contact Facebook directly and raise the concern, they will surely solve your problem.