In my first job, a spinning hard disk had been disturbing people for months by making screeching noises. I had been playing a lot with hardware so I knew that p

In my first job, a spinning hard disk had been disturbing people for months by making screeching noises. I had been playing a lot with hardware so I knew that pushing the metal part on top of the disk could make that sound disappear. And it did! Told them to keep backups fresh and get a new hard disk.