Posts Tagged ‘Mac’

How to format a disk that is a GPT Protective Partition

January 4th, 2009
Problem

How to format a disk that is a GPT Protective Partition

Posted By: Larry
Woods

Date: 1/04/2009

Keywords:  GPT Protective Partition, Format GPT Protective Partition, How to Delete a GPT Protective Partition
Platform

Windows XP, Should work on other Windows Variants

Symptoms

I had an external drive that was formatted on a Mac for Time Machine Backups. I wanted to switch this back to the windows side but it would only say GPT Protective Partition in Computer Mangement. It did not have any other options for formatting the drive, or deleting the partition.

Fix

I found the following website:

http://lemon.soju.co.uk/2008/05/28/how-to-delete-a-gpt-protective-partition/

The instructions from the website are as follows: PLEASE REMEMBER, IF YOU ARE A NOVICE, PERFORMING THESE TASKS WILL ERASE THE PARTITION/DRIVE THAT YOU ARE TRYING TO GAIN ACCESS TO. IT WILL NOT RESTORE ACCESS TO YOUR FILES. TO DO SO, YOU WILL NEED TO MOUNT THE DRIVE ON THE ORIGINAL COMPUTER.

Here’s how to remove it:

1. In XP, run: cmd
2. diskpart
3. list disk
4. select disk # (the number from the list)
5. clean
6. In XP, run: compmgmt.msc and select Disk Management
7. Look for the disk which says “Not Initialized”, right click, then select Initialize Disk
8. Select OK to confirm
9. Right click on the Unallocated space and select “New Partition…”
10. Partition as required

 

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