Erase data

Hello everyone, sorry... I'm new here. Hope I I can get the answer. I have an unallocated hdd problem, but I also want the files inside that have been deleted and are still stored in MFT, I can retrieve them but how do I want them to be lost or unopenable. If it can disappear without being...

Hi everyone, so my lawyer gave me this laptop to install windows, but the thing is that after the logo screen i get asked to input a password, the message says Harddisk Security and there's only one option "Hitachi HTS545025B9ALock" I tried installing windows and also running dban and cbl data...