Date: Tue, 1 Mar 2016 11:15:20 -0700 (MST) From: Warren Block <wblock@wonkity.com> To: David Christensen <dpchrist@holgerdanske.com> Cc: freebsd-questions@freebsd.org Subject: Re: FreeBSD-10.2-RELEASE-amd64-memstick -- fresh install not booting Message-ID: <alpine.BSF.2.20.1603011105280.63299@wonkity.com> In-Reply-To: <56D54B0E.3010904@holgerdanske.com>
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On Mon, 29 Feb 2016, David Christensen wrote: > I assume the FreeBSD installer put a protective MBR partition table on the > disk. Note that fdisk reports that the boot bit is not set on the first and > only partition. That is standard for GPT and the PMBR. Do not use MBR utilities on GPT disks. The PMBR is there so a GPT disk will boot on a BIOS system, and modifying it with MBR utilities probably won't help but can definitely hurt. There are several reasons a UEFI system might not boot. Make sure you have the latest UEFI firmware for the motherboard. Turn off Secure Boot. For BIOS-based systems, several notable manufacturers like IBM/Lenovo and HP have mis-used certain partition types for their own purposes, breaking GPT compatibility. For hopelessly broken UEFI or BIOS systems, using the old MBR format is necessary.home | help
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