[SOLVED] How do I merge the 2 partitions?

[johndiesel]

I have a SSD and HDD in my laptop. My Windows 10 OS is installed on my SSD. I had previously installed Linux on my HDD and I guess I have messed up the removal of it. The 119.30GB partition had my linux. Now I'm unable to convert that unallocated space to a new volume. I want to merge the DISK 0 completely to make it a whole 1TB HDD. How should I do it? Do I need to remove that 513MB Healthy EFI System Partition in HDD? Could you please share the process and commands to help me merge the partitions in HDD?
Screenshot of Disk Management: https://ibb.co/XZGWvBz

 

[Lutfij]

Welcome to the forums, newcomer!

Personally? I would backup all critical data from that 1TB HDD, then use EaseUS Partition Master to manage the 1TB, convert to a basic GPT disk and then delete the partitions, then merge or delete the entire volume and recreate the partition as a Basic GPT drive.

This video might help;

View: https://youtu.be/6zIj9WUSBs4

 

[SkyNetRising]

Now I'm unable to convert that unallocated space to a new volume. I want to merge the DISK 0 completely to make it a whole 1TB HDD. How should I do it? Do I need to remove that 513MB Healthy EFI System Partition in HDD? Could you please share the process and commands to help me merge the partitions in HDD?

1. Verify, your system can boot from SSD alone. Disconnect HDD from system and test, if you can boot without it.
2. Delete EFI System partition from HDD. You'll have to use diskpart for this. Disk Management doesn't allow deleting EFI system partition.

diskpart​

select disk 0​

list partition​

select partition 2​

(select 513MB efi system partition)​

delete partition override​

3. Extend D : partition.​

Converting HDD to basic would be recommended too. But this is not essential.

Do not merge anything. This requires full backup before doing anything or you can loose your data.
If merging fails mid process (for any reason - power issue, data corruption, storage media physical damage), then you're screwed big time. Your data will be corrupted and partially unrecoverable.

 

[USAFRet]

How critical is the data existing on Disk 0, and do you have a known good backup of it?

I ask, because it is relatively easy to do, as per steps above, it is also easy to screw it up.