When this happens, it's usually because the owner only shared it with a small group of people, changed who can see it or it's been deleted., Find out what to do if you're having trouble logging in, or learn how to log out of Facebook., If you're having trouble logging into your account, review these tips and known login issues., Log into Facebook to start sharing and connecting with your friends, family, and people you know., Luckily, logging into Facebook usually just requires your email and password. Here's how to log into Facebook using your Mac, PC, iPhone, or Android device., For best results, use a device you've used to log in before. If you’re helping someone else, make sure they try these steps on a device they’ve used to log in before..