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How to delete GPT protective partition

post #1 of 12
Thread Starter 
Hi,
I just got 1TB drive and when I plug in my windows EXp system, open the Disk Management, it shows GPT protective partition.
any1 know how do I formant the drive back to basic normal NTFS or fat32 so I can use it as a storage?
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post #2 of 12
Scratch my last post.
Can you delete the partition or anything?

You could try to run as user "SYSTEM" and try to run disk management, then see if it is protected, then even if it is see if you can delete the partition, and create a new one.Also could use the Windows OS disc and then delete the partition, create a new one, and format it.

Or you could try this software thing GPARTED. It is a linux OS boot disc.
Edited by Lige - 5/17/08 at 9:30am
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post #3 of 12
Thread Starter 
there is no way to delete the partition. I google and found a link show how to delete the GPT partition with a tool but the link was invalid (Page can not be found)
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post #4 of 12
Have you tried it with "SYSTEM" user, it is above the Administrator user. That could help.

Did you use a windows CD or GPARTED? You can give yourself permissions in linux so you have access to delete it.
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post #5 of 12
Thread Starter 
I found a tool doing the low level format now. hopefully it works. May take few hrs to format this huge drive.
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post #6 of 12
The likes of Ultimate boot CD should be able to get rid of it for you. If I remember correctly I used that to remove a similar partition from my laptop
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post #7 of 12
Quote:
Originally Posted by GH0 View Post
Scratch my last post.
Can you delete the partition or anything?

You could try to run as user "SYSTEM" and try to run disk management, then see if it is protected, then even if it is see if you can delete the partition, and create a new one.Also could use the Windows OS disc and then delete the partition, create a new one, and format it.

Or you could try this software thing GPARTED. It is a linux OS boot disc.


In Windows XP Professional, if you cannot access or modify GPT disk, you can convert a GPT disk to MBR by using the clean command in DiskPart, which will remove all data and partition structures from the disk.

1. You may see S2VR HD 5 Drives in GPT status.

2. Go to DOS command line (click on “Start Menuâ€, then “Runâ€, type in “cmd†in textbox, and hit “OKâ€)

* Type in “DiskPart†in command line.
* Type in “list disk†in command line to show all disks in this machine.
* Use “select†to set the focus to the specified partition, for example “select disk 1″.
* Use “clean†command to remove GPT disk from the current in-focus disk by zeroing sectors.

3. Go back to Disk Management, you can see all S2VR HD disks are “unallocated†now. Right click on disk info, choose “Initialize Diskâ€.

4. Choose all drives in S2VR HD and initialize them.
post #8 of 12
Thanks Helmen... i was at a dead end, but thanks to your post I sorted my drive out!!!


Quote:
Originally Posted by helmen View Post
In Windows XP Professional, if you cannot access or modify GPT disk, you can convert a GPT disk to MBR by using the clean command in DiskPart, which will remove all data and partition structures from the disk.

1. You may see S2VR HD 5 Drives in GPT status.

2. Go to DOS command line (click on “Start Menuâ€, then “Runâ€, type in “cmd†in textbox, and hit “OKâ€)

* Type in “DiskPart†in command line.
* Type in “list disk†in command line to show all disks in this machine.
* Use “select†to set the focus to the specified partition, for example “select disk 1″.
* Use “clean†command to remove GPT disk from the current in-focus disk by zeroing sectors.

3. Go back to Disk Management, you can see all S2VR HD disks are “unallocated†now. Right click on disk info, choose “Initialize Diskâ€.

4. Choose all drives in S2VR HD and initialize them.
post #9 of 12
MBR-based partition table schemes insert the partitioning information in the master boot record (MBR) (which on a BIOS system is also the container for code that begins the process of booting the system). In a GPT, partition table information is stored in the GPT header, but to maintain compatibility, GPT retains the MBR entry as the first sector on the disk followed by a primary partition table header, the actual beginning of a GPT. Now here comes to the problem to convert this disk to MBR disk, there is a very simple and easy method to convert this disk to MBR disk but you will lose your data and partition from that disk. I assume that you have an empty disk where you have accidently enabled GPT and you need to convert it back to MBR disk.

Go to command prompt (Go to Start Menu, RUN and then enter CMD command)

and use diskpart command.

If you guys allow me I can share a link for complete method to use a GPT protective parition.

http://www.itoperationz.com/2010/11/...on-in-windows/
post #10 of 12
Go to dos prompt:
c:\>diskpart
diskpart> list disk
diskpart> select disk ***D: the disk you want to delete GPT protective partition***
diskpart> clean
The disk will be initialized when finished and you have unpartitioned disk as you disposal.

David Zhang (Mosman IT)
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