Hi, everybody Before anything, I wanna say thx ,I really appreciate to all of you. However I couldn’t fix my hdd diamondmax 22 yet, but I learned lot about this Issue .I almost read the posts but I have prob . I have a laptop and I used my hdd externally with the “usb to sata” adapter when I Found this prob and I try to solve it….I got trouble .this is my usb to ttl adapter, I did Loopback test (connect tx and rx together) and see everything I typed in HyperTerminal. But when I connect it to hdd and press ctrl+z , I see”-> “or when I changed tx and rx, Some unmeaning symbols are appears of ours I did anything I read in the posts. When I connect the hdd to laptop by usb to sata…,it not work but in device manager I see it(Maxtor stm3500320as….). Is there any idea… Could you help me plz?