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Mac - boot from a USB or CD

apple logoIf you want to boot from a USB (or CD) on a Mac, you can do so by putting in the bootable USB in and boot holding the "Option key" pressed (Alt key if you use a PC keyboard). Once the system starts, you will be presented with the the following set of options (or similar):

 mac boot options

Depending on what you are trying to boot into (Linux or Windows), the option will most likely be "Windows".

Once selected the boot, follow the on-screen instructions.

ALT consultants specialize in Mac and Apple products. Feel free to contact us for any of your IT support needs.