From out of nowhere it seems, I suddenly have no sound. I haven't done anything to my computer from when I had sound yesterday to when I don't have sound today. In the device manager it says my Realtec AC97 driver is disabled, i.e. the scary red X, which I did not physically do. I have no other audio drivers or sound cards. Yet when I go to enable the AC97 driver, I get a STOP error and memory dump and am told to restart the computer. Here's the analysis I get: Stop: 0x0000007E (0xC0000005, 0xB09A2801, 0xF7C76B54, 0xF7C76854) ALCXWDM.sys - Address BD9A2801 base at B0989000, Datestamp 40e3b3db I've tried re-installing the AC97 driver from the CD that came with my mobo (figured maybe a piece of data had gotten deleted somewhere) but with no luck. I've just been using the on-board sound for a couple months now since I've built this computer, waiting to buy a good sound card. When I do buy a sound card, I am to assume that the manufactor (likely Creative Labs) will install their own driver. Would this then make the issue of the AC97 driver being disabled moot?