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M.2 SSD not booting up

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Alex R View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Alex R Quote  Post ReplyReply Direct Link To This Post Topic: M.2 SSD not booting up
    Posted: 31 Jul 2023 at 6:48pm
I cloned Windows 10 C drive from a SATA SSD drive and put it into the M.2_1 slot. It appears in the storage configuration and bootable options. I enabled it as #1 choice.
The M.2 drive appears on the computer and can be used but the computer does not boot up from it. I disconnect the old C drive SATA SSd and on start up the computer says I have to connect a bootable device.
The motherboard is an AB350 Pro4 and the new M.2 SSD is a Samsung 970 Evo Plus 2Tb. I looked it up and it came up as compatible with the motherboard.
I want to change because I keep running out of space for new software on the old drive.

Asrock AB350 Pro 4
AMD Ryzen 5 1600 Six-Cre Processor
Ram 32 GB
BIOS V. 3.2
AB350 Pro4
Windows 10
DDR432 GB
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M440 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote M440 Quote  Post ReplyReply Direct Link To This Post Posted: 02 Aug 2023 at 3:07pm
what efibootmgr displays for new device and what for the original one?

for windows it might been "bcdedit /enum firmware" or something
asrock b650m/hdv.m2, ryzen 7700x@85watt
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Alex R View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Alex R Quote  Post ReplyReply Direct Link To This Post Posted: 02 Aug 2023 at 8:40pm
Thanks for answering M440

I am not an expert and don't know how to find out about the bcdedit/enum.

What I can say is that the SSD is found on the boot menu.

However, the SSD is connected to the M.2_1 (PCIe) slot.

Should I connect it to the M.2.2 (SATA) slot where the C drive is connected (SATA3_3) and disconnect the old drive? Would that work?
AB350 Pro4
Windows 10
DDR432 GB
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M440 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote M440 Quote  Post ReplyReply Direct Link To This Post Posted: 04 Aug 2023 at 2:22am
cloning is not enough (that is provided you did a perfect disk copy including the disk EFI partition) the UEFI bios need to know where is efi boot file to make it a Boot entry.

Colloquially you can say that UEFI bios does not boot a drive, but EFI files on the drives.

You have to do this manually using bcdedit or try the startup repair from the windows installation media.

try doing this:

https://www.youtube.com/watch?v=4awsXR8STUo

I would remove the original disk you made the clone of, because this might confuse the process.

asrock b650m/hdv.m2, ryzen 7700x@85watt
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