Fernandes has won four of the seven Premier League player of the month awards he has been eligible for, putting him equal with Thierry Henry, Alan Shearer and Cristiano Ronaldo, among others, in sixth on the all-time list of multiple winners.
"It is not about me," he said. "I've come to a club that is very demanding.
"It is one of the biggest clubs in the world, a club that has won everything. I don't think it was me changing the mindset of the club.
"If I changed the mindset of some players or my mindset helped some players to be better - maybe.
"But I don't think it was me changing anything for the club because playing for Manchester United means playing with pressure and responsibility."