Well i was trying to install a mod right soo then after i thought i was done i went on minecraft but it came up a black screen and i did that sevral times intil i just got sooo mad then i deleted all the white folders and now i cant go on minecraft can u guys plz help me because i love minecraft and i want to play on it again soo if u guys could plz send mme some comments on what to do to fix it or do i have to get a new cp or a new minecraft soo plz help