How to fix MAC OS Hard Drive formatting issue 2018 - 2021

This is a tutorial on how to force your hard drive to reformat in MAC OSX high sierra (possibly earlier versions) diskutil list diskutil unmountDisk force disk4 sudo dd if=/dev/zero of=/dev/disk4 bs=1024 count=1024 Featured Tools & Resources: Real-Time Salary (iOS): https://apps.apple.com/us/app/real-ti... (Android version currently in development) LottoAudit (iOS): https://apps.apple.com/us/app/lottoau... Mac Audio Sync (macOS): https://agmapps.net Developer Portal: https://agmapps.net