Reboot and select proper boot device

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csgogutknife123

May 20, 2018
6
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I just put my operation system on my SSD, and made it my priority boot drive in the BIOS of my motherboard (MSI z370 a pro). When I start the pc it goes to a black screen saying "Reboot and select proper boot device". I've watched videos saying to make sure all the cables are plugged in, which they are. It even shows up in windows when I use my old HDD. Any ideas what is causing this?
 
Solution
USAFRet


Then it went wrong.
What they neglect to list in the steps is to disconnect the old drive, and allow the system to try to boot from the new drive by itself.
Or, you left off the boot partition.

Redo it, thusly:
Specific steps for a successful clone operation:
-----------------------------
Verify the actual used space on the current drive is significantly below the size of the new SSD
Download and install Macrium Reflect (or Samsung Data Migration, if a Samsung SSD)
Power off
Disconnect ALL drives except the current C and the new SSD
Power up
Run the Macrium Reflect (or Samsung Data Migration)
Select ALL the partitions on the...
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USAFRet

USAFRet

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Mar 16, 2013
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How, exactly, did you put the OS on this drive?
Step by step...
 
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C

csgogutknife123

May 20, 2018
6
0
10

I used a software named macrium reflect and used the clone feature on it.

 
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USAFRet

USAFRet

Titan
Moderator
Mar 16, 2013
171,329
17,830
184,590


Then it went wrong.
What they neglect to list in the steps is to disconnect the old drive, and allow the system to try to boot from the new drive by itself.
Or, you left off the boot partition.

Redo it, thusly:
Specific steps for a successful clone operation:
-----------------------------
Verify the actual used space on the current drive is significantly below the size of the new SSD
Download and install Macrium Reflect (or Samsung Data Migration, if a Samsung SSD)
Power off
Disconnect ALL drives except the current C and the new SSD
Power up
Run the Macrium Reflect (or Samsung Data Migration)
Select ALL the partitions on the existing C drive
Click the 'Clone' button
Wait until it is done
When it finishes, power off
Disconnect ALL drives except for the new SSD
This is to allow the system to try to boot from ONLY the SSD
Swap the SATA cables around so that the new drive is connected to the same SATA port as the old drive
Power up, and verify the BIOS boot order
If good, continue the power up

It should boot from the new drive, just like the old drive.
Maybe reboot a time or two, just to make sure.

If it works, and it should, all is good.

Later, reconnect the old drive and wipe as necessary.
Delete the 450MB Recovery Partition, here:
https://social.technet.microsoft.com/Forums/windows/en-US/4f1b84ac-b193-40e3-943a-f45d52e23685/cant-delete-extra-healthy-recovery-partitions-and-healthy-efi-system-partition?forum=w8itproinstall
-----------------------------
 
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