Game closes after the short intro/message from Frictional Games

[Linux.Blue]

I installed the full version of Amnesia: Dark Descent. It installed fine. And when I clicked on the icon to have it run (AmnesiaTheDarkDescent.desktop), it loaded just fine.
I didn't get any sound though, but everything else ran just fine. But after the messages from Frictional Games, abotu headphones and dark room, the game crashes and I am taken back to the desktop.

Let me know what sort of info you need to know, what konsole codes, etc. and I'll post them up for you.

For now, I think it's an Intel graphic card, Mandriva 2009.1 (powerpack edition).