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I have a MacBook where I have to dual boot Windows and OS X. When I hold the Option Key on startup, I get the nice "Select Boot Device" screen.

Is there a way to permanently enable this, so that I don't have to remember to hold option every time I restart?

2 Answers 2

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One way to do this is to install a boot loader such as rEFIt.

This will present you with a menu similar to the following when you start up your computer:

enter image description here

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  • 3
    That seemed like a mighty large stone to kill a very small bird, but it works fine :)
    – Michael Stum
    Feb 21, 2011 at 16:04
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    Since rEFIt is no longer under active development, consider using rEFInd (rodsbooks.com/refind) - it is a fork of rEFIt. Jul 20, 2018 at 15:52
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On Intel-based Macs, this supposedly works (unverified):

sudo nvram manufacturing-enter-picker=true

Note that this reportedly is not supported on ARM-based Macs.

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  • Good find! There are some other nvram options for booting to recovery etc documented here : mrmacintosh.com/…
    – lx07
    Nov 6, 2021 at 17:40

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