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Windows 7: hard disk MBR and NTFS on NAS turn into GPT and Raw

11 Jan 2017   #11

Windows 7 Ultimate x64

Ok Jumanji. Later on I will post you new screenshots with the system drive and the simulation drive in the computer.

Do you have to have access to my PC Desktop remotely? Tell me because in that case I have to be at my place to accomplished that.

Since we have 5:30h difference it has to be for tomorrow. Today when I arrive my place I will send you the new screenshots.

Thanks for the help.

My System SpecsSystem Spec
11 Jan 2017   #12

Windows 7 Home Premium 32 bit

I do not want to access others' computers.. Take your time. No need to be in a hurry. I keep peeping in every now and then and will catch you even if it is delayed by a day.. Whatever damage has happened has already happened. We will see to that that no further damage is inflicted.

First choose one drive which holds the important data which you may want to recover. I may also tell you that it is going to be a long process where I have to investigate your drive by all possible means. May or may not succeed depending upon the extent of damage done. If the NAS had done only a quick format, there is every possibility of retrieving most if not all data.
My System SpecsSystem Spec
11 Jan 2017   #13

Windows 7 Ultimate x64

Hi Jumanji, I have contact the Buffalo team and here is the answers from them:

- The diskless enclosure will format the drive to place its firmware on it.
- Once it has formatted the drive seeing the data can only be done with data recovery.

What do you think?
My System SpecsSystem Spec

11 Jan 2017   #14
Layback Bear

Windows 10 Pro. 64/ version 1709 Windows 7 Pro/64

If possible could you post screenshots using this tutorial by Brink.
It will allow people like me to follow along.

Screenshots and Files - Upload and Post in Seven Forums

My System SpecsSystem Spec
12 Jan 2017   #15

Windows 7 Ultimate x64


I have put 3 drives that I had one after the other in the NAS (Buffalo LinkStation 441D). The thing was that since my PC Desktop was down (Motherboard issues) I suppose at the time that was something wrong with the drive that each time I put in the NAS, so, only after I realize the mistake that I did.

I also suppose I've made another mistake, that was insisting one second time the proceed of including the drives in the NAS, installing more than once the firmware in my Drives. I'm not sure of this.

For the purpose of retrieving the data inside the drives without inflict more damage, I wiped completed another drive (4th) that I had (Hitachi 500Gb) in the PC desktop for use in this simulation, put some data in it and put again in the NAS.

Here are some screenshots:

Windows Disk Management

hard disk MBR and NTFS on NAS turn into GPT and Raw-drive-hitachi-simulation-windows-disk-management.png

Partition Wizard

hard disk MBR and NTFS on NAS turn into GPT and Raw-drive-hitachi-simulation-minitool.png

My System SpecsSystem Spec
12 Jan 2017   #16

Windows 7 Home Premium 32 bit

Hi Toni,

My instruction was very clear. Please connect one drive that holds your important data to be recovered.

Instead you have put some simulation drive, which earlier must have had some data, you wiped it on your PC ( I do not know what exactly you did for that wiping, how you formatted it quick format/ full format, and how much data you put into it, put it into the NAS to play mischief on it. This drive has already been manipulated by you and for all I know does not contain any data that you really want to recover.

What do you want me to do with it?

Why are you not connecting the unmanipulated ( unmanipulated in any way by you but damage inflicted by your NAS only) actual drives which you want to recover?

My System SpecsSystem Spec
12 Jan 2017   #17

Windows 7 Ultimate x64

Ok Jumangi. I'm very nervous because of all my data.

I will follow your instructions.
Sorry and I hope you wait for another time to try to solve my problem. It will be tonight at Portugal time.

Much appreciate.
My System SpecsSystem Spec
12 Jan 2017   #18

Windows 7 Home Premium 32 bit

Then you better seek Professional Data Recovery Service.. In fact when you contacted Buffalo Support who advised data recovery, you must have asked them on how to recover the data. They might tell you if there is a specific procedure/application if they are aware.

I don't mind if you want to experiment different data recovery software on this experimental drive. In fact I learnt everything by experimenting. I have one trial drive exclusively for such experiments and it had been zeroed a hundred times. :)

If I had to experiment, I shall start with a fully wiped drive ( writing all zeros to all sectors - low level formatting), then formatting it, ( after writing zeros to all sectors a Quick format will do ) put data on it and carry on the experiment.
My System SpecsSystem Spec
12 Jan 2017   #19

Windows 7 Ultimate x64

In bufffalo they told me that they work with to recover information.

In the case of this experimental drive I wiped to zeros in all the sectors using minitool partition wizard in my windows PC and then i put 30Gb on it and insert in the NAS and follow the same procedure to install the drive in the NAS and the drive became with the same symptoms that my others drives.

That's why I thought that should've work as the actually drives with the lost data.

According to your procedures to make the test is missing the quick format.

What do you think?
My System SpecsSystem Spec
12 Jan 2017   #20

Windows 7 Home Premium 32 bit

I am not sure how PW does the wipe. I only use a specifically designed tool for that. HDD LLF Low Level Format Tool HDDGURU: HDD LLF Low Level Format Tool. To write zeros to all sectors on a 750GB HDD it takes about 8 hours on my PC. Once you do a lowlevel format , you will be asked to initialise the disk (MBR/GPT - choose MBR for Disks upto 2TB unless you had deliberately initialised your real drives to GPT), then create a new volume and then format it. You can do that and then write the data on it. Then put it into your NAS and allow it to muck it up. Do your data recovery experiment.

Run Partition Recovery Wizard in PW on that drive and do a Full Scan. When you get Partitions found Window listing all the partitions found, double click on the largest partition shown and check whether it shows your files. Unless I see the list, I can't say whether your disk can be restored to its original state. I shall use this only as a first step.

So do this and then post the screenshot of the Partitions Found window.After posting the screenshot just cancel and close PW. ( Do not choose wrong partitions and ask it to write the Partition Table. You will be mucking it up further)

If this does not work or even if it shows the files, I will try TestDisk to check whether it lists the files to copy those.But TestDisk is not for beginners. You will need to be guided.

On the whole it is going to be a long process of trying various tools judiciously.Requires a lot of patience and perseverance. If you do not want to undergo all these trials, the best will be to contact the Service Agency referred by Buffalo. They would have done this already on similarly mucked up drives by Buffalo NAS . You can obtain a quote from them on telephone and do that if that suits you.
My System SpecsSystem Spec

 hard disk MBR and NTFS on NAS turn into GPT and Raw

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