i am getting some weird sound from my harddisk attached is the video...previously it wud get detected at times and at other times it wud give cant find system disk error i did scan and bad sector recover using hard disk sentinal which showed the health at 80% but it wud still give the same detecting error . someone suggested i check the head and i did saw it was stuck and so set it but now it gives buzzing error+ wont detect..is there anyway i can repair it..[video="https://www.youtube.com/watch?v=W9FkpB1grDQ&feature=youtu.be"]https://www.youtube.com/watch?v=W9FkpB1grDQ&feature=youtu.be[/video]