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Apple Computing Products:
macOS - Operating System
Security question about a used Mac
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<blockquote data-quote="harryb2448" data-source="post: 1263293" data-attributes="member: 42497"><p>Buy a copy of the latest operating system the machine will handle, pop in the disc and boot holding down 'C'. Go into Utilities > Disk Utility and choose Erase Disk, using 7 pass erase under Security Options to be sure everything is removed, then do a clean install with your own name and password, and update.</p><p></p><p>Cannot help with operating system as you have not supplied model details.</p></blockquote><p></p>
[QUOTE="harryb2448, post: 1263293, member: 42497"] Buy a copy of the latest operating system the machine will handle, pop in the disc and boot holding down 'C'. Go into Utilities > Disk Utility and choose Erase Disk, using 7 pass erase under Security Options to be sure everything is removed, then do a clean install with your own name and password, and update. Cannot help with operating system as you have not supplied model details. [/QUOTE]
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Apple Computing Products:
macOS - Operating System
Security question about a used Mac
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