If you have followed the instructions in the manual that Michael-BBY has posted and are still having issues don't hesitate to ask on here where there are several knowledgeable people who may be able to assist further.
_________________________________________________ I am not affiliated with Best Buy nor have I ever been employed by Best Buy. All of my thoughts and posts are of my own opinion and personal experience.
I may not always know the right answer, but I will always tell you what I do know. I also do free computer analysis and consultation via private message.