I have a sound problem in several games I run on XPS 2720: in Mass Effect 3 and in Grid 2. When I enter the menu in both games, I can hear a terrible background noise. So even though all sound effects and music can be heard just fine, there is this additional noise in the background. It does get more intense whenever a more intense image processing is performed by the game.
Have anyone encountered a similar problem? I have the latest Realtek sound drivers installed. Shall I change something in the Dell Sound Settings to fix it?