October 2004
Intermediate to advanced
304 pages
7h 44m
English
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Hack #47. Fix the Master Boot Record on FAT Partitions
Use FDISK to restore the ability to boot from your FAT-16 or FAT-32 hard drive.
FDISK is a DOS program that can actually help you out of some of those nasty "unable to locate operating system" and "no boot drive available" error conditions Windows 9x and DOS users encounter from time to time. The Master Boot Record can be corrupted by an improper shutdown, power glitch, or disk failure. Re-creating a new Master Boot Record at the first sector of the hard drive—which is what your system BIOS is looking for in order to turn over the startup operation to an operating system—is an easy fix.
Warning
If your hard drive is managed by a drive overlay utility from OnTrack or a specific program provided by your drive manufacturer (as indicated by a Disk Manager or similar announcement message during bootup) or is set to boot with the GRUB or LILO boot managers, or into Linux, using this hack will destroy access to the drive.
To use FDISK's Master Boot Record restoration feature to get your main or additional drives back into bootable shape, follow these steps:
Boot with a DOS diskette, boot CD, or bootable USB FLASH drive or hard drive containing DOS and FDISK. A Windows 98 or Me startup diskette will do nicely.
At the command prompt type in either:
FDISK /MBRor
FDISK /CMBRxRemove the disk or device you booted to DOS with and then restart the system to verify that you can boot from the hard drive.
FDISK /MBR re-creates the Master Boot ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.