Hello. I'm really hoping someone will be able to show me I've just been making a stupid mistake (I'm relatively naive when it comes to computers) and I haven't permanently ruined my HD, but I fear the latter situation may be the case. Here's the situation. I purchased a new WD 250GB HD and went to install it as a second HD (1st HD being an older Seagate 20GB). It was not recognized and caused the system to hang before loading the OS (even though I had it set as slave). I thought it was probably just the 137GB threshold problem and my MB having an old BIOS (since my MB is an older Soyo that is now discontinued) so I downloaded and flashed an updated BIOS. With only the original HD connected, the computer started up fine so I don't think there was any problem w/ the BIOS flashing. I again tried to set up the new HD but it still wasn't recognized, so I played around with the jumper settings on both drives to see if I could find a combination that worked. Nothing seemed to help. The larger problem came when I then decided to just hook it back up like normal, and my original HD began to not be recognized either. I don't think it's the MB port or the IDE cable, because the same port/cable will allow BIOS to detect my DVD drive but not my HD. All I can think is that I somehow physically broke my HD while trying different cable/jumper positions. Because I'm not all that experienced with computers, I thought I was overly careful so as to avoid doing any damage. I've been told by more knowledgeable friends that I would've had to be fairly rough to actually break a HD, which I was not. Any help and/or suggestions would be immensely appreciated. I would really hate to lose all my data, and I really don't have the money to be able to send it off to have the data extracted by an expert. Thanks in advance, Matt. PS - Sorry for the lengthy post.