My realtek hd audio driver wasn't working as intended and I decided to re-install it. I tried to find a possible solution on the Internet, but I couldn't find any. I had to call my colleague Jeff and ask him if he could help me solve my problem. Jeff said that he was going to take care of everything. He told me that he would send me a YouTube video via Skype and that the video would help me understand more about my problem. He also sent me a link to a website from where I could download the drivers I was looking for. Jeff was a great person.