disc recovery

Dear People, My daughers musical video suddenly disappeared from my harddisk. The folder structure of the camera (from which I copied the video) is still there but the video is not to be found. Does anybody know what could have happened? I already used Disc Drill, no succes. Thanks! Teus

Can someone possibly help me? I installed Catalina and I don’t like it so I Install Mojave from the App Store on a flash drive and when I went into erase Catalina using disk utility and Now I’m confused as to why I have so many? Can I erase any of these maybe this is why my computer is so slow...

Hi there My iMac's HDD just started clicking slowly. As I wanted to restart and do a backup it started clicking and now it is not recognisable at all. I cannot restart it in target mode either. I can however start my iMac from external drive obviously and when I do so the HDD is not there at...