Hi, I have a really convoluted problem, which I think boils down to me having lost the control sector in my HDD after a format. I think!? I'll explain the sorry chain of events. I have 2x Maxtor 6L30050 and an ASUS A8N-SLI Premium. I had an install of Vista on the machine, which was not working out for me - went to XP, but that install messed up due to the disc (not all data wrote). Went for an install of 2K I had lying around just to get something on there and in formatting the disk for this 2k install, I think I lost something. Originally, the OS setup screen looked like this: Cartitional (NTFS) xxxxxxMB xxxxxxMB Unpartitioned Space 8MB Dartitional (NTFS) xxxxxxMB xxxxxxMB Unpartitioned Space 8MB The 2k format I did for the (failed) 2k install was NTFS to NTFS (Vista to 2k stylee I guess?), but when looking at the HDDs in the OS setup after the 2k instal format, I then got this: Cartitional (unknown) xxxxxxMB xxxxxxMB Dartitional (NTFS) xxxxxxMB xxxxxxMB Unpartitioned Space 8MB I'd lost the first unpartitioned space on C, and it's saying 'unknown' as the file structure. Long story short - the 2k install didn't work. I got a better copy of XP, but when trying to install this, after selecting the disk (C and copying the install files - after the reboot, a message comes up 'A disk read error occured'. So I have no o/s on there and the HD seems unusable. Have I broken my HDD? Or do I need to sort the MBR? Mobo, what? Please, please, please help. I am totally stuck. Rgds.