Ive just built my 1st pc i went to install the OS and it told me that my hdd were not connected to my pc, it would only detect the hdd if i used the RAID function (i dont want to use this feature). I have 3 SATA hdd in my pc. when i go into my computer it tells me there is 1 hdd. My motherboard is GIGABYTE GA-K8N Pro-SLI skt 939 nforce4 chipset. Please help ive been trying to sort this out for a week now.