Sony VAIO Model VPCEH26EA

Good After noon Sir

Sir i had problem in my Laptop cam. its colors turned now black & white, its just because once i had reset my laptop cam color settings and after that i am facing this problem. i tired a lot to fix cam colors through manual procedure but settings not saved and again all option turned to earlier point. Tired many times but all in vain
So please its an humble request to help me in this case.
Thank you so much for Ur great cooperation