How to Create a Disk Image on macOS

How to #format a #hard #drive in a #Windows or #macOS laptop. If you want to format the main hard drive (usually the Windows "C" drive or "Macintosh HD"), you will need to reinstall your #operating #system afterwards to continue using your #laptop. If you installed a second hard drive in your #laptop or connected an external hard drive, you can easily format it from within #Windows or #macOS. Since #formatting a hard drive can take a while, make sure your #laptop is plugged in to a reliable #power source.
#backup #image