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By bslypack ·
How do I go about fdisk'g my 13 gig hard drive which was formatted with 7.5 g NTFS and 6 g at EXT DOS?

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by CG IT In reply to Fdisk a NTFS FORMATTED DR ...

Fdisk is a DOS utility and therefore only recognizes FAT & FAT32 disks so a NTFS formatted disk is accessed in fdisk as a Non-DOS disk.

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by wcp In reply to Fdisk a NTFS FORMATTED DR ...

There are a number of ways to delete extended partition with NTFS.

1. Initiate Windows NT, 2000, or XP installation. In the process, you can delete any partitions. Once you delete them, quit installation. Then you can use FDISK to create DOS partitions.

2. Use GDISK to wipe out all partitions regardless any file system from a HD. GDISK is from Norton Ghost. This is not a freeware.

3. Use clean1k.exe to wipe out all partitions with any file system from any HD. This is not always available from website. Try the following site. If not available, please post and I will e-mail it to you.

4. Use debug command to wipe out a HD with any partitions. This is from Dell Knowledge Base. More infomation will follow.

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by wcp In reply to

Use debug command.
1. Insert the boot diskette that contains the Debug command into the respective drive. (This is typically a Windows 98 Startup disk.)
2. Restart the computer.
A black screen with Microsoft Windows? 98 Startup Menu appears.
3. Press the <5> key on the keyboard followed by the <Enter> key.
The boot process will conclude with an A> prompt, followed by a blinking underline (cursor).
4. From the A> prompt, type the following commands and press the <Enter> key after each command:

NOTICE: Performing the following will remove all data from your hard disk drive.

NOTE: Type the bolded text only (the debug prompt is a dash). You will receive an error if you type anything other than the bold text. The non-bolded text represents the system response that will appear after you type each command and press the <Enter> key.
-F 200 L1000 0
-A CS:100
xxxx:0100 MOV AX,301
xxxx:0103 MOV BX,200
xxxx:0106 MOV CX,1
xxxx:0109 MOV DX,80

NOTE: Type 80 for the Main hard drive - HD 0, or type 81 for the Second hard drive - HD 1.
xxxx:010C INT 13
xxxx:010E INT 20
xxxx:0110 (Leave this line blank and press the <Enter> key)

The message, Program terminated normally, appears.
5. Press the power button to turn off the computer.

Unfortunately, the bold text could not be reproduced here. Please do and follow common sense. If you have a problem, let me know and I will e-mail the detail to you.

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by Deadly Ernest In reply to Fdisk a NTFS FORMATTED DR ...

If you dont mind losing all the data you can do this quite easily.

Use a boot disk to boot the system.


Delete all partitions, to delete the NTFS partition you delete it as a 'Non-DOS partition'.

Create a new primary partition of the size you want.

Create a new Extended partitions.

Create new logical drives in the extended partition as you want.

Set the primary partition to 'active'

Reboot with the bootdisk.

Then use the Format command to format each drive as FAT32, one drive at a time.

All done, all data gone too.

If you want the data, copy it off before doing that.

Another way is to repartition and reformat within WinXP using the Disk Management program

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by lorinoel32 In reply to Fdisk a NTFS FORMATTED DR ...

You need to use Delpart
Delpart wil delete the partions and then you can use fdisk to reformat your drive

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