Fwd: [Bug 195294] FreeBSD overwrote Windows BIOS

[Mike Starr]

---------- Forwarded message ----------
From: <bugzilla-noreply at freebsd.org>
Date: Mon, Nov 24, 2014 at 10:58 AM
Subject: [Bug 195294] FreeBSD overwrote Windows BIOS
To: starrtennis at gmail.com


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=195294

lgfbsd at be-well.ilk.org changed:

           What    |Removed                     |Added
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                 CC|                            |lgfbsd at be-well.ilk.org

--- Comment #1 from lgfbsd at be-well.ilk.org ---
The BIOS is not involved here; the bootloader is where the problem is coming
from (if someone with the appropriate powers could change the subject, that
would be helpful). This would have been easier to take care of on the
technical
support mailing list, because there isn't enough information in the report
to
figure out what has gone wrong here.

The first step in looking at the problem will be to determine whether the
disk
is using an old-style "MBR" partitioning or a newer "GPT" partitioning. This
can be determined from the gpart(8) command, "gpart show /dev/<whatever
device
your disk is>".

The second step is to make sure that the Windows partition is still present.
That should also be present in the output from "gpart show".

Assuming that you have an MBR-partitioned disk, the third step is to
reinstall
the bootloader and configure it to show all partitions. See the FreeBSD
Handbook section on bootloaders to be sure, but I think the command would be
"boot0cfg -B -m 0xf".

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