How to reset factory settings and firmware?
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.