Which old partitions to delete after migrating HDD to SSD.

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theproadam

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Apr 3, 2014
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After adding a new Samsung 860 EVO 1TB to my Asus G751JM. (Laptop has two hdd/ssd slots). I used the Samsung Data Migration software to transfer the C: partition to the SSD.

The original harddrive had a C: and D: partition, and the C: partition was copied to the SSD.
After the copy, I swapped the drives and the system booted off the SSD. Now I'm planning on deleting the original C: partition (now G: ) off the hard drive and merging the empty space in to the D: (Data) partition.

Disk manager:
https://imgur.com/a/agaIIqy (Red arrow shows the old partition)

I was wondering which partitions I can delete off the hard drive.
 
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karenjoly

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Can you enlighten me on how the original drive (G) showing as 372 GB was cloned to the new drive (C) now showing as 837 GB ? Next, when you say you swapped the drives, you just mean in the boot order, not physically ? Final preliminary, have you booted the new OS drive without the original drive connected to ensure the clone worked ?
 
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USAFRet

USAFRet

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Ideally, you copy anything from the old drive you wish to keep (stuff in the D partition), and delete ALL partitions on it.

First, of course, you test.

Power off
Disconnect the old drive, Disk 1.
Power up.

Does it boot correctly?
If so....right click and delete ALL partitions on that, leaving one large space.
If not, we have some investigation to do.
 
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theproadam

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The drives were physically swapped. I hadn't changed anything in the boot order. Im 99% sure that the OS was booted off the SSD as the desktop icons and programs loaded instantly instead of the usual 5 minutes. Also after swapping the disk's the HDD went offline in the disk manager and I had to manually turn it online so the drive letters would be assigned.

The original drive was partitioned into C: (OS 372GB) and D: (Data 537GB). It was a 1TB SSHD. I transfered the C: partition onto the SSD. The SSD has the 372GB C: partition that was cloned, the EFI subsystem partition and the recovery partition that was also cloned by the Samsung Software. The unallocated space is for the SSD over provisioning thingy.

https://imgur.com/a/eUoVw62



I want to use the SSD as C: (OS) and the HDD as D: (Data). I was just wondering whether I should delete the EFI subsystem partition and the 900MB recovery partition off the HDD. (Disk 1)

I wanted to make sure it was safe to delete the old copy partition and extend the D: partition into its place.

Also in task manager it shows that the system disk is the 860 EVO.
 
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USAFRet

USAFRet

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That's why you verify that the system boots up properly from the SSD alone.
Test it. If it does, delete whatever you need from the old drive. Merge whatever is left.
 
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theproadam

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Sorry for a late reply however I had finally unplugged the HDD and everything booted fine.
I've only noticed that sometimes there are two or one short beeps coming from the PC when im about to access the HDD. I've also noticed that some EFI files are missing because I cannot seem to run memtest.efi.
 
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