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GPT Protected Partition HDD - need to access data on this drive

This is a discussion on GPT Protected Partition HDD - need to access data on this drive within the Hard Drive Support forums, part of the Tech Support Forum category. Good Day All Recently had a Windows 8 HP Pavilion laptop blue screen with error code "unable to mount bootable


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Old 05-04-2018, 05:07 AM   #1
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Good Day All

Recently had a Windows 8 HP Pavilion laptop blue screen with error code "unable to mount bootable drive". Machine is fried.

After several attempts to resurrect the laptop - I gave up and decided to remove the hard drive (TOUGHDRIVE), which basically has my life on it. :) Needless to say, it is not backed up.

I have a Sabrent SATA USB bridge cable that lets me view SATA and IDE drives and retrieve data by simply using File Explorer.

The odd time - as in this case - I come across a TOUGHDRIVE that has a GPT Partition that essentially blocks my computer (Windows 10 HP Desktop) from viewing the drive. My TOUGHDRIVE displays in device manager (it is a Toshiba MQ01ABD075), and displays in Disk Management as Basic type, Healthy (GPT Protective Partition). But I cannot access the dat in File Explorer. Does not even register as a drive. Under 'normal' circumstances, MBR (Master Boot Record) drives would just pop up as a new Drive F, G etc. in File Explorer. I can simply copy (Drag and drop) data using File Explorer.

My understanding - I stand to be corrected - is that if I can replace the GPT partition with an MBR partition, then I will be able to read the drive. I want to know if that is viable first of all.

There are a couple of products EASEUS and MINITOOL (Partiion Wizard) claim to be able to replace the GPT partition with an MBR partition making the drive readable. Anyone used those in this situaion.

I can also rid the partition from the drive using DISKPART, but it essentially wipes the disk clean and I will lose my data. Not what I want.

Finally, I was able to recover about 500 GB of data from the drive using Pandora File Recovery, and while the files recovered are in separate folders (DOCX, JPEG, PDF, MPEG< etc.) it will take me a month to go through them all, rename them etc.and not sure everything has been recovered in the first place. For example, my recovery includes about 100 JPEG folders with around 500 images in each folder from (what seems like) every website I have visited in the last 5 years - mixed in with my own personal camera images. Repeat this for all the folder types, and you can see what I am faced with. Much easier if I can see the directory tree on the drive and get the essential data I need off the drive.

Has anyone come across this GPT situation and figured out a way to get around it? Please help!!!

Hey, so sorry for the long post. Wanted to be as concise as possible. Attached a couple of images as to what I see in Device and Disk Manager. Drive is there, but cannot read file structure in File Explorer.

Nubiwan
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Old 05-04-2018, 05:44 AM   #2
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I haven't come across this issue, but for some reason GPT protective partition raises a flag as to why. So I'm going to take a backseat and let someone with some knowledge around this help you further.
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Old 05-05-2018, 10:50 AM   #3
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In most cases, When you convert a GPT volume/partition to MBR you loose all of the data. Minitool Partition Magic and Easeus Partition Master advertize that they can convert GPT to MBR without loosing data.
I would first try some other data recovery tools before trying this but it may work for you. Let us know.
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Old 05-13-2018, 12:53 AM   #4
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@Nubiwan, I suspect that your Sabrent USB-SATA bridge firmware is configured for a sector size of 4096 bytes. A protective GPT partition would have a size of 2TiB, so this would look like 16TiB (= 2TiB x 8) when attached to your bridge. You need to find a bridge that supports 2TiB+ drives and a sector size of bytes. Alternatively, you can use a tool such as DMDE to recover your data (and your file/folder tree).
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