I need help, please!! Alright my situation is the following. I plugged in as slave an old ITE HD, to my pc, I have an also oldie a1355c HP. but the HD is SATA.http://www.memoryx.net/hp320gbst15035.html
It was just a mess and huge mistake after that, the black screen came up, with booting failure, and the main HD started making that click click sound. A friend tried to do a recovery but he got scared out after listening the click click sound and stopped because he thought he could just damage the HD even more or burn it.... if it wasn't burned already....not sure....but not working. I wish if someone can help me out on how I could recover my data and if it's possible? I have very important docs on that HD, even all the captured memories of my dad, that passed away a year ago. If there's someone that could help me I really would appreciate a tons.

You have to provide more details.... Where it was, what happened, model, etc....

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In English, your situation is very unclear, unfortunately.

I guess you mean "IDE" not "ITE". So you installed an IDE disk into your PC, as a slave - is that correct? What is the SATA disk that you mentioned?

You mentioned that your "main HD" started making a clicking sound. If that only started immediately after the attempt to add the slave IDE disk, then perhaps there was just a knocked/dislodged power connecter to the main disk, during the attempt to add the slave disk? I have seen a dislodged power connector cause that symptom.

You also need to give more details of exactly what "recovery" your friend tried. Which disk exactly did he try to recover? What techniques did he try? Did he leave the main disk in your PC or did he remove it and use a different PC (and therefore he would have reseated the power connector).

I don't promise further replies, but those are some examples of the type of details you should give, if you want the best chance of getting useful help, IMHO.

If the data is as important as you say, I'd send it off to a pro.