There are so many posts about this but this one is different.
1. not caused by a plugin error.
2. not wrong password
3. not a browser issue.
It is simply because the client changed the username and password for the database. I have updated the wp-config and even gone into wp-db and manually changed a few lines on there...still nothing
When I try to login I still get a BLANK SCREEN. Why does WordPress not give an error for this