Hey. I have just built my first computer from scratch and everything seems to be in working order except when i turn it on i get the Disk boot failure msg. I have a Western Digital caviar SE 16. It uses S-ATA connectors. Never built a computer using them before. currently i have it plugged into port 1 on the S-ATA II connectors on my motherboard and have the jumpers set in 1 and 2. I have BIOS set to check CD then Hard Drive in that order. So i start my comp with XP Home with SP 2 in the CD drive and i get the Disk boot failure. I have never formatted the hardrive so i dont know if that could be part of the problem and the CD drive doesn't show up in BIOS and i have it plugged into the IDE port 3. If ne1 could shed sum light on the subject that would b sweet thx.