Windows 10: What are these Partitions for on my Basic GPT SSD Drive ?

HiI have 5 PCIE Gen 4 SSDs of either 4 or 2TB in size. As I have obtained these SSDs I have cloned existing SSDs, and also moved my original Windows 10 OS installation around a bit, from drive to drive. I've noticed that now, I seem to have accumulated 3 mini, blank, drive letterless partitions on one of my drives.Can someone help me identify what these are for, and whether I can just remove them or not. I do not have any problems with my current windows session, my problem is with the SSD, and these partitions have existed for at least 6 months. I know they are not causing any issues, but whe

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clone MBR HD to bootable GPT partition?

Hi,

1. You cannot convert mbr to gpt without data loss. otherwise, you can follow directions here:

FROM WINDOWS RECOVERY CONSOLE:

To change a master boot record disk into a GUID partition table disk using a command line

• 
  Back up or move the data on the basic master boot record (MBR) disk you want to convert into a GUID partition table (GPT) disk.
  
• 
  Open an elevated command prompt (right-click Command Prompt, and then click Run as Administrator) and type diskpart. If the disk does not contain any partitions or volumes, skip to step 6.
  
• 
  At the DISKPART prompt, type list disk. Make note of the disk number you want to convert.
  
• 
  At the DISKPART prompt, type select disk <disknumber>.
  
• 
  At the DISKPART prompt, type clean.
  

2. I'd suggest converting your vista drive to a virtual machine, load that up on your windows 10 system and use a program like virtualbox to run it.

 

GPT drive

I just upgraded my computer from Windows 7 to Windows 10. I have software installed on an SSD and data on a 4TB second hard drive. Somehow, in the upgrade, my data drive turned in to a GPT Protective Partition. I would like to return it to a Primary Partition
without losing the terabytes of data on it. Any suggestions?

 

Accidentally deleted GPT partition on hard drive

I have an SSD and a HD, I have windows installed on the SSD and I use the HD to store extra data. I accidentally deleted the GPT partition of my hard drive (doesn't affect my windows however windows can't detect the hard drive now) while trying to install Ubuntu on my HD for a dual boot. Is there any way that I can reinstate the GPT partition for the hard drive without having to pay for 3rd party software? Any help would greatly be appreciated as I am currently unable to access any data from my hard drive.