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Old 07-19-2001, 07:46 PM   #1
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|.... MBR? how to delete?

For some reasons..

When ever i boot my primary HDD it hang right after bios with a prompt like;


I don't have a floppy drive, so no startup diskette and reinstalling my WIN2K doesn't help too.

I know it maybe a corrupted MBR, now i boot up with my secondary HD and how do i delete this MBR record entirely without detroying MBR to my existing HD (since i don't have a floppy)?

Any previous experience on this issue to share?
Old 07-22-2001, 04:52 PM   #2
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That sounds complicated, and I wouldn't want to be in your shoes! The best thing to do is get a floppy drive in their if you can (it may be physically impossible I know). Other than that, the command: fdisk mbr in windows will delete the mbr and replace it with the last windows one. Use this at your own risk. Other than that you may be able to use Linux (if it is installed??) to replace the mbr.
Old 07-22-2001, 05:40 PM   #3
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fdisk /mbr
Old 07-24-2001, 04:54 AM   #4
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I found this in the linux gazette, I thought it was intersting...

Boot with a DOS floppy that has "debug" on it; run "debug". At the '-' prompt, "block-fill" a 512-byte chunk of memory with zeroes:

f 9000:0 200 0
Start assembly mode with the 'a' command, and enter the following code:

mov dx,9000
mov es,dx
xor bx,bx
mov cx,0001
mov dx,0080
mov ax,0301
int 13
int 20
Press <Enter> to exit assembly mode, take a deep breath - and press "g" to execute, then "q" to quit "debug". Your HD is now in a virgin state, and ready for partitioning and installation.
Old 08-16-2004, 02:33 AM   #5
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I feel like no onereallyREADS what I post, I am aware of wyas to accomplish this if I have an A drive...however I do not
Old 08-16-2004, 05:31 AM   #6
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Can you boot from a usb key? If so, use that in place of a floppy and follow the instructions as above. Otherwise, you will have to boot from a W98 cd and follow the instructions as above. Or waste a cd by turning that into your boot cd (create it as if you were creating a boot floppy).
Old 08-16-2004, 05:50 AM   #7
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If you have the Win2K install CD ... with the problem disk as your primary boot drive, boot from the Win2K instal CD, get into recovery console and run the fixmbr command. (assuming you have a CDROM Drive)

Last edited by ppuru; 08-16-2004 at 05:54 AM.


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