Can't Login.

Hey i am a bit new to this so i don't know what to do i played mass effect for a good time now and i got it on steam last year

so here is my problem i got some dlc for the game so it told me to log in to my EA account online i know i put in the right email and password but it said it was wrong so me being me i changed my password and waited for it to update but then after that was done it still said that my password was wrong i don't know what to do