Spend special interest into the HSA(Heads Stack Assembly) connector pads. They are frequently turn out to be oxidized generating the link not trustworthy. It is recommended to clean them gently with soft eraser till They are really glossy. Incidentally, There's two hyperlinks for you To find out more about CHKDSK https://fix-hard-drive38383.blognody.com/34248155/a-simple-key-for-flobo-hard-disk-repair-unveiled