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Date: Thu, 3 Apr 2014 20:09:47 -0600 (MDT)
From: Warren Block <wblock@wonkity.com>
To: freebsd-stable@freebsd.org
Subject: Re: UEFI bios, problem installing freebsd but not pc-bsd
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On Fri, 4 Apr 2014, John wrote:

> Got a new computer the other day. It has a UEFI bios. I downloaded the
> latest builds of 10-stable and 11 from allbsd, and also downloaded
> pc-bsd 10-R.
>
> Although I could install all three, for the freebsds the system would
> not get to the loader prompt. All I got was a blank screen and the
> cursor hopping around in the top left quadrant of the screen.

For FreeBSD, change the settings in the UEFI to allow legacy booting. 
That involves "CSM" or "Legacy Boot".  Turn off Secure Boot.