MBR blown away

[James Long]

> Date: Fri, 10 Feb 2006 21:19:07 -0500 (EST)
> From: Peter <petermatulis at yahoo.ca>
> Subject: MBR blown away
> To: freebsd-questions <freebsd-questions at freebsd.org>
> Message-ID: <20060211021907.59503.qmail at web60014.mail.yahoo.com>
> Content-Type: text/plain; charset=iso-8859-1
> 
> I need help.
> 
> I added a slice to a single hard drive dual-boot (windows) system and now
> I guess that scrambled my MBR.  I get three options from the FreeBSD (5.4)
> boot manager:
> 
> 1. DOS
> 2. FreeBSD
> 3. FreeBSD
> 
> I can boot to FreeBSD (the new slice is fine) by choosing option 3 but the
> windows/dos option is fried.
> 
> My current strategy is to use boot0cfg:
> 
> # boot0cfg -B
> 
> But I'm a little squeemish.  I don't want to be locked out of FreeBSD (I
> barely use Windows but I still would like it back for Visio).  Any
> guidance?

Start by making a full backup of your FreeBSD installation.  Then 
you'll feel less squeamish about whatever you do next.

Jim