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Georg Schölly
Asked: 2010-11-11 09:59:57 +0800 CST

How can I make my Mac Mini start headless?

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My Mac mini doesn't boot without a monitor connected to it. As I've read in various forums on the internet, Mac OS X lets the Mac Mini boot without an attached monitor if SSH is turned on. Obviously, there's a setting in the EFI somewhere.

Is it possible to apply this setting in Linux as well?

boot mac-mini uefi

3 Answers

  1. Best Answer

    It's possible to buy dummy adapters, which tell the computer that there's a monitor connected.

    They are quite easy to make oneself. Just use a DVI-I --> VGA adapter and connect the 2nd to the 7th pin using a 75 Ω resistor.

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  2. The bug is in Bootcamp. If you install grub-efi and enable it as the primary bootloader, you ran run Linux without any monitor attached.

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  3. I would guess that by using the nvram command under OS X, you can poke in a value that tells it to start without a monitor. I don't know what that option would be. nvram -p might give you a clue.

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