How to perform a factory reset on macOS X Yosemite 10.10.5 without admin password?

Acquire mother's Mac OS X Yosemite 10.10.5 late do not know the password, and would like to know how to do a factory reset.

I have used it as it Guest but am limited to other apps etc without her admin permission which I dont know

thanks

zacknick


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Earlier Mac models

Posted on Apr 30, 2025 10:23 AM

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How to perform a factory reset on macOS X Yosemite 10.10.5 without admin password?

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