Check the BIOS and make sure you have the correct HDD booting first. (yes it is possible to set one of the other HDDs as the boot drive.) Basically it sound like the computer is trying to boot to one of the other HDDs and not your system drive.
Thank you for replys btw. Yea I think I've tried everything except that. And on start up when entering the BIOS I do get a single bleep followed by a double beep (I know that's a error message).Hi,
Have you tried clearing the CMOS in case something in case there might be an error in the BIOS setup menu from an electrical surge, or even something not saved properly (not your fault) on a shutdown. I would at least give that a try if it was here in my shop, so since you work with computers, might be worth a shot.