Edited sentence: A great many Creative customers have suffered from an intermittent fault known colloquially as the 'Squeal of Death'.Creative have failed to fix the problem, directing blame at the motherboard manufacturers.It manifests on many high performance PCs.The 'Squeal of Death' only affects Creative Labs products.The X-FI card appears to be incompatible with NVidia SLI based systems and with ASUS motherboards.This manifests as a high pitched whine or squeal which plays constantly until the computer is rebooted.Users report that replacing the Creative card with a rival such as the Razer Barracuda card cures the problem