If someone else has hacked your account or tried to access your account, it's important to know your email as well as your password. Facebook needs to verify the same; otherwise, if someone else tries to log in to your account, the User account will be locked as someone else is accessing it . Troubleshooting steps to fix Facebook account locked issue Fake Account - If You didn't use your real name while login into your account, Facebook will eventually find not that a wrong user is using the services of Facebook. Facebook will easily find out the truth that the person is not using its services, and the account will be hacked eventually. Wait for 48-96 hours and clear cache It is the advice of experts that you should not try to fiddle with locked Facebook accounts. Usually, Facebook reactivates the account after a couple of days, so it is not advisable to make extra attempts to unlock your account. After 2-3 days, open your web browser, clear the cache, cookies and history ...