Macbook blank screen after login

If you are logging in from Mobile Apps, you can checkout below thing:

1. Determine whether the app requires a login.
2. Open the app
3. Find the Log In or Sign In button
4. Tap the identification text box
5. Enter your identification
6. Enter your password
7. Tap Log In or Sign In

For shorter instruction, follow these easy steps:

• Step 1. Go to page via official link below.
• Step 2. Login using your username and password. Login screen appears upon successful login.
• Step 3. If you still can't access then see Troublshooting options here.

Understanding Logging in Basics

1. Know what logging in is
2. Understand what comprises login information
3. Understand what a Username is
4. Understand what a password is
5. Familiarize yourself with login basics
6. Understand what two-factor authentication is
7. Recover a lost password
8. Consider saving your login information

• If you forget your login information, you may not be able to recover your account. This is especially true if you lose access to the email or phone number you used to create the account.

   
• While it can be tempting to use your Facebook account to log in rather than setting up a new account, it's best to limit the number of places in which Facebook can track your web activity.