Have all updates. after about 10 mins of play sound get weird and game freezes entire system in a sound loop that can only be fixed with hard reset. Disc and online auth. tried on installation. changed #of speakers in settings to 0 and 6, its a 5.1. No other game gives me problems.
More aboutbfbc2 system crash fixed
Are you overclocking? I've had this happen once when I overclocked too high and failed to test it for stability.
As jbakeralant said, might be a problem with overclock,
Tried re-installing the game ? AND don't update. See if the update was the one causing the problem.