I had the same problem for years and finally decided to take a lesson. My coach's advice, and subsequent suggestion from my wife minimized my driver slice a bunch.   The coach's suggestion was that I concentrate on "release" – – that is bringing my right hand over my left as the club head approaches the ball. (I had heard about "release" for years, but really didn't know what it was until my coach demonstrated). Once I concentrated on "releasing" the path of my shots...