System:- Asus K8V motherboard 1024Gb Ram, Athlon 64 3000+ processor Seagate Barracuda Sata 150 250gb HD Maxtor 30Gb IDE HD Maxtor 60gb IDE HD Hauppage WinTV Wireless Network Card GeForce 6600 AGP Graphics Card Creative DVD rewriter Hi all, I have been running my system from my SATA Hard Drive which is configured as a single drive RAID 0. The last couple of days XP has required an integrity check on boot and has been having a problem with a particular sector. Anyway, to cap it all, yesterday when I switched on, strange boot message about HAL.dll not being found. I finally figured out that my SATA drive is no longer being recognised in the BIOS. FastTrak knows it's there but tells me that no RAID arrays are defined. I've ordered a duplicate drive (am going to change to Raid 1 if I can get the original drive back working) and some recovery software, but I can't get the drive to show up on a PEBuilder Boot disk nor in the BIOS. I have gleaned from another thread, that I may need to turn the RAID controller off first, which I'll try tonight. My main question is what happens if i tell fastTrak to build a new RAID 0 array (there appears to be no array to rebuild or delete)? Will that effectively kill all my data? Advice greatly appreciated.