Date: Mon, 21 Aug 2000 10:04:19 GMT
From: "Fubar Libretto" <[EMAIL PROTECTED]>
Subject: Re: Lib.HD problem - Win'98 FAT/FAT32 u/s

Hi Ben

Thanks for your comments!

>>What does fdisk /mbr do? Rebuild the FAT table by scanning the data on the 
>>disk?
>
>As far as I know the partition table and the 'Master Boot Record' are not 
>the same thing. The mbr is the sector on every bootable
>storage device that contains the instructions needed to start the
>boot-secence for the operating system used. It can be redirected
>by viruses and boot-managers and can become corrupted.
>FDISK/mbr writes a fresh copy of this Master Boot Record to the HD.
>I have never experienced problems myself when executing a
>FDISK/mbr when I experienced problems. In my experience it is a fairly safe 
>thing to try.

Do you think my symptoms:-
- disk write error, system hung
- switched off with the power switch
- re-boot
-  "HDC error" message
- Win'98 rescue diskette reports "drice C does not contain a valid FAT or 
FAT32 partition"

... could indicate an MBR problem? Sounds like the MBR is not normally 
written to during normal operation; if it is an MBR problem, does that mean 
it was overwritten in error at the time when the disk write error occurred? 
I'm wondering about non-bootable drives - presumably a valid partition does 
not always have an MBR - and if a corrupt MBR would mean the partition was 
reported as not being valid...  and if  the Win'98 rescue disk report 
different error messages in the event of  corruption of the MBR and/or FAT 
table...

Unfortunately (or fortunately, I guess!) I have no previous experience in 
this area so I'm keen to understand the possibilities better before 
proceeding... I'm surfing around for answers but not finding anything 
conclusive and my resources here are - well - very limited!

>Make sure though that the floppy you boot and execute it from was
>made with the same operating system as on the HD.

No problem - I have the 'rescue' floppy created when I bought the Libretto.

Thanks again for your help!

Sincerely...  Steve
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