Drop me a PM, ill take a look at it for you for free. Could be a few things, hopefully software/BIOS rather than hardware though.
Also, my mate (registered on here as 051bopper iirc, this his dad is registered on here too) actually builds Zoostorm systems over in Liverpool (CMS Computers), so if needs be, can get him to take a look - can't get better than the peeps who actually build the systems in the first place lol.