9 Replies Latest reply: Jul 15, 2012 8:08 PM by ashmathcom
ashmathcom Level 1 Level 1 (0 points)

I have MacBook Pro 17inch 2011 late.

i had some changes on my mac os lion. my display screen color does no not appear normal.

I erased my partition and I reinstall mac os. but it seems mbp did not reset to factory settings. i have stiill the problem.

 

how I should reset to factory settings completely?

should I reset my firmware? how?

 

I would be grateful if you could help me.