when i start my computer it goes throught bios then through the raid thing that started happing not long ago but its been working with that. i dont have raid but it gives me a screen and says press tab for raid. but after that it says hard disk error press controll alt delete to restart. i do. same thing happens again. i go to bios reload defaults. nothing. reset cmos. nothing. i did however last night rearange my bios settings but it was working fine. i raised a few volteges, not that much but it was fine last night and now its reset to default. what do i do?!?!?!