i play 3 main computer games. half life 2, city of heroes, and americas army. all of them are updated with patches and stuff. my sound on my computer works perfectly fine no problems and when i go to play city of heroes it works fine. but when i play half life 2 the sound goes for about 5 min's then shuts off and the peoples mouths stop moving and in americas army the sound shuts off about 10 seconds in to the game. i ran the DxDiag sound tests and it failed. does anyone know what the problem could be?
